This page shows one of the many rankings computed with RePEc data. They are based on data about authors who have registered with the
. To find more rankings, historical data and detailed methodology, click
. Or see the
.
For India, there are 631 authors affiliated with 169 institutions. Note that authors affiliated only with institutions in this region that are not listed in EDIRC cannot be ranked. Authors with multiple affiliations are attributed to each according to the weights they have set to each in their profile, or by default according to a formula described
.
.
Rank | W.Rank | Institution | Score | Authors | Author shares |
1 | [1] | Delhi School of Economics, University of Delhi Delhi, India | 1.41 | 25 | 22.58 |
2 | [2] | Indian Statistical Institute New Delhi, India | 2.67 | 13 | 12.78 |
--- | [---] | Department of Economics, Delhi School of Economics, University of Delhi Delhi, India | 3.35 | 20 | 17.77 |
--- | [---] | Planning Unit, Indian Statistical Institute New Delhi, India | 3.87 | 12 | 11.78 |
3 | [3] | Indian Statistical Institute Calcutta, India | 4.33 | 17 | 16.5 |
4 | [4] | National Institute of Public Finance and Policy New Delhi, India, India | 4.9 | 29 | 25.25 |
--- | [---] | Economic Research Unit, Indian Statistical Institute Calcutta, India | 5.85 | 14 | 13.5 |
5 | [5] | Centre for Studies in Social Sciences Kolkata, India | 7.4 | 9 | 8.9 |
6 | [6] | Indira Gandhi Institute of Development Research (IGIDR) Mumbai, India | 8.7 | 21 | 17.28 |
7 | [7] | Department of Economics, Jadavpur University India | 12.05 | 18 | 16.72 |
8 | [8] | Business School (IBS), ICFAI University Hyderabad, India | 14.01 | 16 | 15.5 |
9 | [12] | Centre for Economic Studies and Planning, Jawaharlal Nehru University New Delhi, India | 14.86 | 16 | 13.11 |
10 | [10] | Department of Economics, University of Burdwan Burdwan, India | 14.87 | 8 | 8 |
11 | [9] | Madras School of Economics Chennai, India | 14.88 | 15 | 13.5 |
12 | [13] | International Initiative for Impact Evaluation (3ie) New Dehli, India | 15.05 | 5 | 4.5 |
13 | [11] | Reserve Bank of India Mumbai, India | 15.82 | 13 | 12.13 |
14 | [16] | Indian Institute of Management Calcutta, India | 15.94 | 7 | 7 |
15 | [14] | National Council of Applied Economic Research (NCAER) New Delhi, India | 15.97 | 15 | 14.03 |
--- | [---] | Centre for Development Economics, Delhi School of Economics, University of Delhi Delhi, India | 17.43 | 3 | 1.69 |
16 | [15] | Indian Institute of Management Ahmedabad, India | 18.57 | 21 | 18.61 |
17 | [17] | Indian Institute of Management Bangalore, India | 20.21 | 11 | 10.75 |
18 | [18] | Department of Economics, University of Calcutta Kolkata, India | 21.01 | 6 | 5.66 |
19 | [23] | Indian School of Business Hyderabad, India | 21.53 | 3 | 2.72 |
20 | [24] | Centre for Policy Research (CPR) New Delhi, India | 22.07 | 5 | 3 |
21 | [19] | School of Economics, Management and Information Systems, North-Eastern Hill University Shillong, India | 23.89 | 7 | 7 |
22 | [20] | Centre for International Trade and Development, Jawaharlal Nehru University New Delhi, India | 24.18 | 12 | 9.63 |
23 | [22] | Institute of Economic Growth, University of Delhi Delhi, India | 25.12 | 14 | 9.65 |
--- | [---] | Department of Economics, School of Economics, Management and Information Systems, North-Eastern Hill University Shillong, India | 25.62 | 6 | 6 |
24 | [25] | Institute of Rural Management (IRMA) Anand, India | 26.03 | 4 | 4 |
25 | [21] | Centre for Development Studies (CDS) Thiruvananthapuram, India | 26.64 | 14 | 11.85 |
--- | [---] | Economics and Social Sciences, Indian Institute of Management Bangalore, India | 27.99 | 2 | 2 |
26 | [26] | Indian Institute of Management Lucknow, India | 28.91 | 8 | 7.5 |
27 | [27] | Indian Statistical Institute Bangalore, India | 29.02 | 3 | 2.75 |
28 | [28] | Department of Management Studies, Indian Institute of Science Bangalore, India | 33.65 | 2 | 2 |
29 | [29] | Department of Economics, Pondicherry University Puducherry, India | 34.37 | 5 | 4 |
30 | [32] | Indian Institute of Management Kozhikode, India | 36.13 | 3 | 3 |
31 | [30] | School of Petroleum Management, Pandir Deendayal Petroleum University Gandhinagar, India | 38.39 | 1 | 1 |
32 | [35] | Institute for Human Development (IHD) New Delhi, India | 38.79 | 3 | 2.13 |
33 | [37] | School of Economics, University of Madras Chennai, India | 39.06 | 2 | 2 |
34 | [33] | India Resident Mission, Asian Development Bank New Delhi, India | 39.44 | 2 | 2 |
35 | [36] | Economics, Indian Institute of Technology Kanpur Kanpur, India | 39.52 | 11 | 10.35 |
36 | [31] | Department of Humanities and Social Sciences, Indian Institute of Technology Bombay Mumbai, India | 39.66 | 11 | 9.3 |
37 | [38] | National Institute of Science, Technology and Development Studies (NISTADS) New Delhi, India | 40.48 | 2 | 2 |
--- | [---] | Department of Econometrics, School of Economics, University of Madras Chennai, India | 41.7 | 1 | 1 |
38 | [34] | Department of Economics, University of Mumbai Mumbai, India | 42.53 | 7 | 7 |
39 | [43] | Department of Economics, Shiv Nadar University Gautam Budh Nagar, India | 45.6 | 3 | 3 |
40 | [40] | National Centre for Agricultural Economics and Policy Research (NCAP), Government of India New Delhi, India | 46.61 | 1 | 1 |
--- | [---] | Economics, Indian Institute of Management Calcutta, India | 46.72 | 2 | 2 |
41 | [44] | Research and Information System for Developing Countries (RIS) New Delhi, India | 47.19 | 4 | 2.25 |
42 | [39] | Indian Institute of Foreign Trade New Delhi, India | 47.53 | 6 | 5.5 |
This ranking is based on registered authors only, and only those who claimed some affiliation in this region, and this affiliation is listed in
.
Rank | W.Rank | Author | Score |
1 | [1] | Sugata Marjit Centre for Studies in Social Sciences, Kolkata | 3.18 |
2 | [5] | Poonam Gupta National Institute of Public Finance and Policy, New Delhi | 4.09 |
3 | [4] | Satya R. Chakravarty Economic Research Unit, Indian Statistical Institute, Calcutta | 4.88 |
4 | [13] | Jyotsna Jalan Centre for Studies in Social Sciences, Kolkata | 5.14 |
5 | [14] | Arunava Sen Planning Unit, Indian Statistical Institute, New Delhi | 5.57 |
6 | [8] | Satya P. Das Planning Unit, Indian Statistical Institute, New Delhi | 5.63 |
7 | [12] | Rohini Somanathan Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 6.58 |
8 | [2] | Aviral Kumar Tiwari Business School (IBS), ICFAI University, Hyderabad | 7.12 |
9 | [16] | Soumyananda Dinda Department of Economics, University of Burdwan, Burdwan | 8.78 |
10 | [7] | Howard White International Initiative for Impact Evaluation (3ie), New Dehli | 9.16 |
11 | [10] | Pami Dua Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 13 |
12 | [11] | Sarbajit Chaudhuri Department of Economics, University of Calcutta, Kolkata | 13.95 |
13 | [9] | Saibal Ghosh Reserve Bank of India, Mumbai | 14.3 |
14 | [18] | Prabal Roy Chowdhury Planning Unit, Indian Statistical Institute, New Delhi | 14.95 |
15 | [19] | Partha Sen Centre for Development Economics, Delhi School of Economics, University of Delhi, Delhi | 15.45 |
16 | [23] | E. Somanathan Planning Unit, Indian Statistical Institute, New Delhi | 17.07 |
17 | [20] | Manash Ranjan Gupta Economic Research Unit, Indian Statistical Institute, Calcutta | 17.71 |
18 | [6] | Sudhanshu Kumar Mishra Department of Economics, School of Economics, Management and Information Systems, North-Eastern Hill University, Shillong | 18.4 |
19 | [15] | Jishnu Das Centre for Policy Research (CPR), New Delhi | 19.36 |
20 | [22] | Ajay Shah National Institute of Public Finance and Policy, New Delhi | 21.72 |
21 | [21] | Indraneel Dasgupta Economic Research Unit, Indian Statistical Institute, Calcutta | 22.88 |
22 | [24] | Kausik Chaudhuri Economics and Social Sciences, Indian Institute of Management, Bangalore | 23.39 |
23 | [33] | Debasis Mishra Indian Statistical Institute, New Delhi | 23.42 |
24 | [32] | Sonalde Desai National Council of Applied Economic Research (NCAER), New Delhi | 23.66 |
25 | [28] | Bharat Ramaswami Planning Unit, Indian Statistical Institute, New Delhi | 24.51 |
26 | [26] | Ila Patnaik National Institute of Public Finance and Policy, New Delhi | 25.91 |
27 | [17] | Ashima Goyal Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 26.01 |
28 | [42] | Krishnamurthy Venkata Subramanian Indian School of Business, Hyderabad | 26.79 |
29 | [37] | Krishnendu Ghosh Dastidar Centre for Economic Studies and Planning, Jawaharlal Nehru University, New Delhi | 27.13 |
30 | [27] | Surender Kumar Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 27.36 |
31 | [3] | Somdeb Lahiri School of Petroleum Management, Pandir Deendayal Petroleum University, Gandhinagar | 31.27 |
32 | [30] | Ashwini Deshpande Department of Economics, Delhi School of Economics, University of Delhi, Delhi Centre for Development Economics, Delhi School of Economics, University of Delhi, Delhi | 34.29 |
33 | [38] | Amita Majumder Economic Research Unit, Indian Statistical Institute, Calcutta | 34.87 |
34 | [40] | Sunil Kanwar Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 34.95 |
35 | [50] | Rama Seth Indian Institute of Management, Calcutta | 35.67 |
36 | [25] | Govinda Marapalli Rao National Institute of Public Finance and Policy, New Delhi | 36.3 |
37 | [45] | Tarun Kabiraj Economic Research Unit, Indian Statistical Institute, Calcutta | 37.54 |
38 | [64] | Parikshit Ghosh Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 39.13 |
39 | [49] | P. Balachandra Department of Management Studies, Indian Institute of Science, Bangalore | 39.74 |
40 | [65] | Arijit Sen Indian Institute of Management, Calcutta | 41.04 |
41 | [29] | Jaya Prakash Pradhan | 42.56 |
42 | [59] | Mausumi Das Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 43.44 |
43 | [66] | Anjan Mukherji Centre for Economic Studies and Planning, Jawaharlal Nehru University, New Delhi National Institute of Public Finance and Policy, New Delhi | 45.12 |
44 | [44] | J.V. Meenakshi Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 45.81 |
45 | [56] | Naveen Srinivasan Indira Gandhi Institute of Development Research (IGIDR), Mumbai Madras School of Economics, Chennai | 46.97 |
46 | [51] | Sanket Mohapatra Indian Institute of Management, Ahmedabad | 47.07 |
47 | [63] | Manipushpak Mitra Economic Research Unit, Indian Statistical Institute, Calcutta | 47.74 |
48 | [31] | Nagesh Kumar Subregional Offical for South and South-West Asia, Economic and Social Commission for Asia and the Pacific (ESCAP), United Nations, New Delhi Research and Information System for Developing Countries (RIS), New Delhi Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 48.03 |
49 | [47] | Saumitra N. Bhaduri Madras School of Economics, Chennai | 48.05 |
50 | [60] | Hari K. Nagarajan Institute of Rural Management (IRMA), Anand | 48.89 |
51 | [53] | Arup Bose Indian Statistical Institute, Calcutta | 49.22 |
52 | [48] | Saibal Kar Centre for Studies in Social Sciences, Kolkata | 49.54 |
53 | [39] | Rupayan Pal Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 50.39 |
54 | [55] | Uday Bhanu Sinha Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 50.68 |
55 | [75] | Samarjit Das Economic Research Unit, Indian Statistical Institute, Calcutta | 50.68 |
56 | [85] | K V. Ramaswamy Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 51.2 |
57 | [62] | Tridip Ray Planning Unit, Indian Statistical Institute, New Delhi | 52.45 |
58 | [57] | Aditya Bhattacharjea Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 53.64 |
59 | [54] | Prabirjit Sarkar Department of Economics, Jadavpur University, India | 53.83 |
60 | [52] | Chetan Ghate Planning Unit, Indian Statistical Institute, New Delhi | 54.36 |
61 | [71] | Subrata Sarkar Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 54.94 |
62 | [266] | Nishant Jain Indian Institute of Management, Ahmedabad | 56.5 |
63 | [58] | Rajeswari Sengupta Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 57.59 |
64 | [43] | N R Bhanumurthy National Institute of Public Finance and Policy, New Delhi | 58.19 |
65 | [72] | Gerry Rodgers Institute for Human Development (IHD), New Delhi | 60.58 |
66 | [36] | Purusottam Nayak Department of Economics, School of Economics, Management and Information Systems, North-Eastern Hill University, Shillong | 62.81 |
67 | [35] | Ramesh Bhat Indian Institute of Management, Ahmedabad | 62.87 |
68 | [73] | Siddhartha Mitra Department of Economics, Jadavpur University, India | 63.37 |
69 | [41] | Rajarshi Majumder Department of Economics, University of Burdwan, Burdwan | 63.38 |
70 | [74] | Rajat Acharyya Department of Economics, Jadavpur University, India | 64.09 |
71 | [96] | Sangeeta Bansal Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi | 64.15 |
72 | [98] | Duraisamy P Department of Econometrics, School of Economics, University of Madras, Chennai | 64.46 |
73 | [89] | Ulaganathan Sankar Madras School of Economics, Chennai | 65.02 |
74 | [34] | Alok Kumar Pandey | 65.33 |
75 | [77] | Shanmugam K. Rangasamy Madras School of Economics, Chennai | 67.5 |
76 | [102] | Anirban Kar Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 68.16 |
77 | [97] | Joyashree Roy Department of Economics, Jadavpur University, India | 68.2 |
78 | [107] | Krishna Telikicherla Kumar Indian Statistical Institute, Bangalore | 68.75 |
79 | [79] | Pratap Singh Birthal National Centre for Agricultural Economics and Policy Research (NCAP), Government of India, New Delhi | 69.24 |
80 | [46] | Pankaj Sinha Faculty of Management Studies, University of Delhi, Delhi | 69.77 |
81 | [90] | Farzana Afridi Planning Unit, Indian Statistical Institute, New Delhi | 70.63 |
82 | [69] | Abhijit Sen Gupta India Resident Mission, Asian Development Bank, New Delhi | 71.04 |
83 | [93] | Rudra Sensarma Indian Institute of Management, Kozhikode | 71.25 |
84 | [76] | M. Narsimha Murty Institute of Economic Growth, University of Delhi, Delhi | 72.38 |
85 | [86] | Sudha Narayanan Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 72.9 |
86 | [91] | M Ramachandran Department of Economics, Pondicherry University, Puducherry | 73.44 |
87 | [82] | Abhiroop Mukhopadhyay Planning Unit, Indian Statistical Institute, New Delhi | 75.61 |
88 | [100] | Madhura Swaminathan Indian Statistical Institute, Bangalore Foundation for Agrarian Studies, Bangalore | 76.8 |
89 | [92] | Sanjib Pohit National Institute of Science, Technology and Development Studies (NISTADS), New Delhi | 76.81 |
90 | [80] | Reetika Khera | 77.41 |
91 | [94] | Jeemol Unni Institute of Rural Management (IRMA), Anand | 78.24 |
92 | [78] | Krishnan Narayanan Department of Humanities and Social Sciences, Indian Institute of Technology Bombay, Mumbai | 80.48 |
93 | [84] | Sujoy Chakravarty Centre for Economic Studies and Planning, Jawaharlal Nehru University, New Delhi | 82.78 |
94 | [99] | Piyali Sengupta Department of Economics, Jadavpur University, India | 82.94 |
95 | [108] | Rupa Chanda Indian Institute of Management, Bangalore | 82.96 |
96 | [118] | Renu Kohli Reserve Bank of India, Mumbai | 84.49 |
97 | [103] | Ashish Singh Shailesh J. Mehta School of Management, Indian Institute of Technology Bombay, Mumbai | 84.98 |
98 | [95] | Ram Singh Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 85.08 |
99 | [110] | K.S. Kavi Kumar Madras School of Economics, Chennai | 86.52 |
100 | [61] | Sebastian Morris Indian Institute of Management, Ahmedabad | 87.4 |
101 | [124] | Tarun Jain Indian School of Business, Hyderabad | 88.63 |
102 | [113] | Kaushik Bhattacharya Indian Institute of Management, Lucknow | 88.79 |
103 | [117] | Shyam Sunder Prasad Sharma National Institute of Rural Development, Hyderabad | 89.21 |
104 | [81] | Pravakar Sahoo Institute of Economic Growth, New Delhi | 89.9 |
105 | [120] | Manisha Chakrabarty Economics, Indian Institute of Management, Calcutta | 90.03 |
106 | [121] | Gautam Gupta Department of Economics, Jadavpur University, India | 90.27 |
107 | [101] | Kanhaiya Singh National Council of Applied Economic Research (NCAER), New Delhi | 90.42 |
108 | [126] | Krishna Mazumdar Economic Research Unit, Indian Statistical Institute, Calcutta | 92.01 |
109 | [68] | Jayanth Rama Varma Indian Institute of Management, Ahmedabad | 92.22 |
110 | [119] | Subash Sasidharan | 92.86 |
111 | [137] | Annette N. Brown International Initiative for Impact Evaluation (3ie), New Dehli | 92.95 |
112 | [128] | Aparna Sawhney Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi | 94.13 |
113 | [111] | Sunil Mani Centre for Development Studies (CDS), Thiruvananthapuram | 94.3 |
114 | [83] | Vighneswara Swamy Business School (IBS), ICFAI University, Hyderabad | 94.44 |
115 | [104] | Chandan Sharma Indian Institute of Management, Lucknow | 94.98 |
116 | [141] | Partha Chatterjee Department of Economics, Shiv Nadar University, Gautam Budh Nagar | 95.21 |
117 | [129] | Bharat Barot Indian Institute of Finance, Delhi | 95.36 |
118 | [106] | Jeevan Kumar Khundrakpam Reserve Bank of India, Mumbai | 96.84 |
119 | [112] | Vivekananda Mukherjee Department of Economics, Jadavpur University, India | 97.69 |
120 | [122] | K J Joseph Centre for Development Studies (CDS), Thiruvananthapuram | 98.03 |
121 | [87] | Deepak Shah Gokhale Institute of Politics and Economics (GIPE), Pune | 99.13 |
122 | [132] | Sitabhra Sinha | 99.19 |
123 | [130] | K.V. Bhanu Murthy Prof. Department of Commerce, Delhi School of Economics, University of Delhi, Delhi | 103.3 |
124 | [138] | Arif Billah Dar Institute of Management Technology, Ghaziabad | 105.86 |
125 | [105] | Sacchidananda Mukherjee National Institute of Public Finance and Policy, New Delhi | 109.32 |
126 | [123] | Krishnamurthy Sundaram Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 110.65 |
127 | [88] | V Basil Hans | 111.52 |
128 | [162] | Megha Shukla Regulatory Studies and Governance Division, The Energy and Resources Institute (TERI), New Delhi | 114.15 |
129 | [152] | Anoop Chaturvedi | 115.85 |
130 | [146] | Sabuj Kumar Mandal | 116.1 |
131 | [156] | Amit Thorat National Council of Applied Economic Research (NCAER), New Delhi | 116.7 |
132 | [166] | Anuj Bhowmik Economic Research Unit, Indian Statistical Institute, Calcutta | 118.31 |
133 | [133] | Manoj Pant Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi | 118.75 |
134 | [140] | Shashanka Bhide National Council of Applied Economic Research (NCAER), New Delhi | 118.75 |
135 | [115] | Dibyendu Maiti Institute of Economic Growth, University of Delhi, Delhi | 119.3 |
136 | [67] | Jessica Seddon Wallack | 120.47 |
137 | [151] | Rajesh Raj Centre for Multi-disciplinary Development Research (CMDR), Dharwad | 120.54 |
138 | [139] | Susan Thomas Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 120.59 |
139 | [136] | Arindam Bandyopadhyay National Institute of Bank Management (NIBM), Pune | 121.97 |
140 | [131] | Kavita Rao National Institute of Public Finance and Policy, New Delhi | 122.18 |
141 | [165] | Sudipto Mundle National Institute of Public Finance and Policy, New Delhi Institute of Economic Growth, University of Delhi, Delhi Research and Information System for Developing Countries (RIS), New Delhi Reserve Bank of India, Mumbai | 122.96 |
142 | [158] | Anit Nath Mukherjee National Institute of Public Finance and Policy, New Delhi | 123.02 |
143 | [150] | Sitikantha Pattanaik Reserve Bank of India, Mumbai | 123.08 |
144 | [163] | Niyati Bhanja Department of Economics, Pondicherry University, Puducherry | 123.13 |
145 | [154] | Anoop Singh Department of Industrial and Management Engineering, Indian Institute of Technology Kanpur, Kanpur | 123.31 |
146 | [109] | Dipa Mukherjee | 123.44 |
147 | [148] | Swapnendu Banerjee (Bandyopadhyay) Department of Economics, Jadavpur University, India | 124.81 |
148 | [153] | Rajesh Chadha National Council of Applied Economic Research (NCAER), New Delhi | 125.06 |
149 | [179] | Oindrila De Indian Institute of Management, Indore | 125.56 |
150 | [173] | Sarani Saha Economics, Indian Institute of Technology Kanpur, Kanpur | 126.5 |
151 | [143] | Renuka Sane Planning Unit, Indian Statistical Institute, New Delhi | 126.64 |
152 | [147] | Zakir Husain Institute of Economic Growth, University of Delhi, Delhi | 129.26 |
153 | [116] | Biswajit Nag Indian Institute of Foreign Trade, New Delhi | 130.95 |
154 | [167] | Deepti Goel Department of Economics, Delhi School of Economics, University of Delhi, Delhi | 130.95 |
155 | [145] | S Chandrasekhar Indira Gandhi Institute of Development Research (IGIDR), Mumbai | 131.26 |
156 | [159] | Ajitava Raychaudhuri Department of Economics, Jadavpur University, India | 132 |
157 | [160] | Nilanjan Banik | 133.31 |
The data presented here is experimental. It is based on a limited sample of the research output in Economics and Finance. Only material catalogued in RePEc is considered. For any citation based criterion, only works that could be parsed by the CitEc project are considered. For any ranking of people, only those registered with the RePEc Author Service can be taken into account. And for rankings of institutions, only those listed in EDIRC and claimed as affiliation by the respective, registered authors can be measured. Thus, this list is by no means based on a complete sample. You can help making this more comprehensive by encouraging more publications to be listed (instructions) and more authors to register (form). For more details on the various rankings that are available as well for documentation, follow this link.
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