A. K. Sahai, M Kaur, R Phani, S Joseph, R Mandal, A Dey, R Chattopadhyay, Sub-seasonal to Seasonal Prediction System for the Indian Summer monsoon, S2S Newsletter, 2021, No.16, pp8-10 http://s2sprediction.net/file/newsletter/Newsletter%2016_Mar%202021.pdf.

Suryachandra A Rao, A K Sahai, P Mukhopadhyay, A K Mitra, V S Prasad, P A Francis, D S Pai, D R Pattanaik, Major Achievements of Monsoon Mission, Clivar Exchanges, 2020, 79, 10-15, DOI: 10.36071/clivar.79.2020.

M Mohapatra, D S Pai, A K Sahai, P Mukhopadhyay, A Mitra, A Bandgar, C J Johny, D R Pattanaik, D Surendran, M Benke, M Deshpande, M Ganai, M Sharma, N Kumar, O P Sreejith, R Chattopadhyay, R P M Krishna, S Abhilash, S Devi, S Joseph, S A Rao, S Sarkar, S Tirkey, T Goswami and V S Prasad, Contribution of Monsoon Mission to operational advances: Short to medium range, extended range and seasonal forecasts, Clivar Exchanges, 2020, 79, 15-21, DOI: 10.36071/clivar.79.2020.

A K Sahai, P Mukhopadhyay, S Joseph, R Chattopadhyay, R Phani, R Mandal, A Dey, V Valsala, M Deshpande, R Kanase, G Mohan, M Halder and D R Pattanaik, Monsoon Mission Societal Applications: Agriculture, Water, Health and Energy, Clivar Exchanges, 2020, 79, 22-26, DOI: 10.36071/clivar.79.2020.

Manpreet Kaur, A. K. Sahai, R. Phani, and Susmitha Joseph Super-Cyclone Amphan (2020) : Global versus Regional Ensemble Prediction, Research activities in Earth system modelling, 2020, WGNE Report No. 50. WCRP Report No.12/2020. WMO, Geneva, p 5-09.

D. R. Pattanaik, R. Mandal, A. Dey, R. Phani, R. Chattopadhyay, S. Joseph, A. K. Sahai and M. Mohapatra, Extended Range Forecast (ERF) during southwest monsoon 2019, Monsoon 2019: A report Edited by O.P. Sreejith, D. S. Pai and S.Devi, 2019, IMD Met Monograph: No.:ESSO/IMD/Synoptic Met./02(2019)/24, pp. 163-183.

Manpreet Kaur, R Phani, S. Joseph, A. K. Sahai, R. Mandal, A. Dey and R. Chattopadhyay Bias-Correction and Dynamical Downscaling Strategy to Improve the Prediction of Extreme Weather Events on Extended Range, IITM Research Report, 2019, January, RR-145, ESSO/IITM/SERP/SR/01(2019)/196.

D. R. Pattanaik, R. Mandal, A. Dey, R. Phani, R. Chattopadhyay, S. Joseph, and A. K. Sahai, Verification of Extended Range Forecast (ERF) during southwest monsoon 2018, Monsoon 2018: A report, Edited by O.P. Sreejith, D. S. Pai and M. Mohapatra, 2019, IMD Met Monograph: No.:ESSO/IMD/Synoptic Met./01(2019)/23, pp. 226-265.

Susmitha Joseph, R. Mandal, A. K. Sahai, R. Phani, A. Dey and R. Chattopadhyay, Diagnostics and Real-Time Extended Range Prediction of Heat Waves over India, IITM Research Report, Available at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-141.pdf, 2018, RR-141, ESSO/IITM/SERP/SR/03(2018)/192.

D. R. Pattanaik and A. K. Sahai Evaluation of Real-Time Extended Range Forecast (ERF) of southwest monsoon, heat wave, cold wave, cyclogenesis and northeast monsoon during 2017, IMD Research Report, Available at: http://nwp.imd.gov.in/ERF_Report_2017.pdf, 2018, No. ESSO/IMD/NWP- Extended Range Forecast (ERF)Report No. 01 (2018)/05.

D. R. Pattanaik, R. Phani, R. Mandal, A. Dey, S. Joseph, R. Chattopadhyay, M. Mohapatra and A. K. Sahai, Extended Range Forecast (ERF) during southwest monsoon 2017, Monsoon 2017: A report Edited by O.P. Sreejith, D. S. Pai and M. Mohapatra, 2018, IMD Met Monograph: No.:ESSO/IMD/Synoptic Met./01(2018)/22, pp. 226-265.

Chattopadhyay R., Krishna R. P. M., Joseph S., Dey A., Mandal R. and Sahai A. K., A Comparison of Extended-Range Prediction of Monsoon in the IITM-CFSv2 with ECMWF S2S Forecast System IITM Research Report Available at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-139.pdf, 2018, RR-139, ESSO/IITM/SERP/SR/01(2018)/190.

Sujata K. Mandke, Prasanth A. Pillai and A. K. Sahai The 10-20 day intraseasonal variation of the South Asian summer monsoon simulated by GFDL models in the AMIP experiment of CMIP5 IITM Research Report, Available at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-142.pdf, 2018, RR-142, ESSO/IITM/SERP/SR/03,(2018))193.

Susmitha Joseph, A. K. Sahai, A. Dey, R. Mandal and Aparnna Ravi P, On the dynamics of the extended breaks during 2017 monsoon, IITM Research Report, 2018, RR-143, June 2018, ESSO/IITM/SERP/SR/05 (2018)/194.

Joseph S., Sahai A.K., Krishna R. P. M., Mandal R., Dey A. and Chattopadhyay R. Evaluation of Extended Range Forecast Skill on Subdivisional Scale over India, IITM Research Report Available, at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-137.pdf, 2017, RR-137, ESSO/IITM/SERP/SR/01 (2017)/188, May 2017.

D. R. Pattanaik, Raju Mandal, Avijit Dey, Krishna R. P. M., Joseph S., Chattopadhyay R., Shibin Balakrishnan and Sahai A. K., Performance of real time Extended Range Forecast during Southwest Monsoon 2016, Available at: http://imdpune.gov.in/Links/monsoon_report_2016.pdf, Monsoon 2016: A report, Edited by P.C.S. Rao, D. S. Pai and M. Mohapatra, 2017, IMD Met Monograph:No.:ESSO/IMD/Synoptic Met./01(2017)/21, pp. 274-295.

Sonkusare B., Sahai A.K., Mulay G.N., Chattopadhyay R.,Gohokar V., Improved Performance of Multi-model Ensemble through the bias correction based on ANN technique, ECAI 2016 - International Conference - 8th Edition Electronics, Computers and Artificial Intelligence, Ploiesti, ROM?NIA, 2016, http://www.ecai.ro/Arhiva/ECAI-2016%20VOLUMES/POSTER/ECAI-2016_paper_58.pdf.

Sahai A.K., Chattopadhyay R., Dey A., Joseph S., Abhilash S., Krishna R. P. M., Mandal R., Rajeevan M.N. and Hendon H., MJO Diagnostics for Extended Range Prediction and Simulation in IITM CFSv2, IITM Research Report Available at:http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-136.pdf, 2016, RR-136, ESSO/IITM/SERP/SR/02 (2016)/187.

Abhilash S., Mandal R., Dey A., Phani R. P. M., Joseph S., Chattopadhyay R., Sahai, A. K. and Rajeevan M., Performance of the Extended Range Prediction System During 2015 Monsoon Season, Research Report on the 2015 Southwest Monsoon, Available at :http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-185.pdf, 2015, Chapter 5, ISSN 0252-1075, ESSO/IITM/SR/02(2015)/18.

Joseph S., Sahai A. K., Chattopadhyay R., Sharmila S., Abhilash S., and Rajeevan M., Contrasting progression phase of Indian summer monsoon during June 2013 and 2014: Observational diagnostics IITM Scientific Report, Available at:http://www.tropmet.res.in/~lip/Publication/Scientific-Reports/SR-18.pdf, 2014, ESSO/IITM/SERP/SR/04 (2014)/183.

Joseph S., Sahai A.K., Sharmila S., Abhilash S., Borah N., Pillai P.A., Chattopadhyay R., Arun Kumar, Extended Range Prediction of Uttarakhand Heavy Rainfall Event by an Ensemble Prediction System based on CFSv2, IITM Research Report, Available at:http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-131.pdf, 2013, November, RR-131.

Mandke S. K., Shinde M.A., A.K. Sahai, The importance of coupled sea surface temperatures to the Northward propagation of summer monsoon intraseasonal oscillation, IITM Research Report, Available at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-129.pdf, 2013, RR- 129.

Borah N., Abhilash S., Joseph S., Chattopadhyay R., Sharmila S. and Sahai A.K., Development of Extended Range Prediction System Using CFSv2 and Its verification, ITM Research Report, Available at: http://www.tropmet.res.in/~lip/Publication/Scientific-Reports/SR-16.pdf, 2013, RR-130.

Abhilash S., Joseph S., Chattopadhyay R., Pattnaik S., Krishna R.P.M, Dey S., SahaiA.K., Goswami B.N. Performance of an ensemble prediction system based on CSV2 for the extended range prediction of active-break spells of Indian summer monsoon rainfall during 2011, IITM Research Report, Available at: http://www.tropmet.res.in/~lip/Publication/RR-pdf/RR-128.pdf, 2012, RR-128.

R. Phani, Sahai A. K., Rao A. S., Jeelani S. M. D., Profiling and scalability of the high resolution NCEP model for weather and climate simulations, High Performance Computing (HiPC), 2012, 19th International Conference, 12/2012.