by Singh, A. P., Mishra, O. P., Singh, O. P.
Published in Scientific reports (19.08.2022)

by Singh, O. P., Singh, A. K.
Published in Complex & intelligent systems (01.06.2023)

by Chabukdhara, Mayuri, Singh, O. P.
Published in International journal of coal science & technology (01.06.2016)

by Sarkhel, Sujit, Singh, O, Arora, Manu
Published in Indian journal of psychiatry (01.01.2020)

by Singh, O
Published in Indian journal of psychiatry (01.05.2020)

by Kumar, M. Dinesh, Scott, Christopher A., Singh, O.P.
Published in Journal of hydrology (Amsterdam) (28.10.2011)

by Chauhan, Vishal, Singh, O.P.
Published in Advances in space research (03.08.2010)

by Agarwal, Sugandha, P. Singh, O., Nagaria, Deepak
Published in Biomedical & pharmacology journal (2017)

by Kumari, Vandana, Prasad, Kona Madhavinadha, Kalia, Inderjeet, Sindhu, Gagandeep, Dixit, Rajnikant, Rawat, Diwan S., Singh, O. P., Singh, Agam P., Pandey, Kailash C.
Published in Emerging microbes & infections (01.12.2022)

by DINESH KUMAR, M, SINGH, O. P
Published in Water resources management (01.12.2005)

by Singh, O
Published in Indian journal of psychiatry (01.07.2020)

by Kishor, M, Shah, Henal, Chandran, Suhas, Mysore, Ashok, Kumar, Ajay, Menon, Vikas, Vinay, H, Isaac, Mohan, Singh, O
Published in Indian journal of psychiatry (01.07.2020)

by Singh, Raj, Kumar, Gaurav, Karlekar, Rajesh, Majhi, Jitendra, Singh, O
Published in Journal of vector borne diseases (01.10.2020)

by Singh, O
Published in Indian journal of psychiatry (01.09.2020)

by Subramanyam, Alka, Kedare, Jahnavi, Singh, O, Pinto, Charles
Published in Indian journal of psychiatry (01.02.2018)

by Rahi, Manju, Anvikar, Anupkumar, Singh, O, Jambulingam, P, Vijayachari, P, Das, Aparup, Pati, Sanghamitra, Narain, Kanwar, Gangakhedkar, R, Dhingra, Neeraj, Bhargava, Balram
Published in Journal of vector borne diseases (01.01.2019)

by VERMA, ASHWANI KUMAR, DOHAREY, R K, DUBEY, S K, SINGH, O P, SINGH, S N
Published in The Indian journal of agricultural sciences (15.03.2022)

by Shah, Tushaar, Singh, O P, Mukherji, Aditi
Published in Hydrogeology journal (01.03.2006)

by Singh, O
Published in Indian journal of psychiatry (01.01.2020)

by Srivastava, Adit, Agarwal, Rahul, Chaturvedi, T P, Chandra, Akhilesh, Singh, O P
Published in Journal of ayurveda and integrative medicine (01.01.2015)