| 1 | Social planning in a rural sector: A micro study of the development blocks of Bareilly District, U P | |
| Researcher: | Singh, O P | |
| University: | Mahatma Jyotiba Phule Rohilkhand University | |
| Language: | English | |
| 2 | Geostrategic study of Sikkim in relation to defence of India | |
| Researcher: | Singh, O P | |
| Guide: | Kulshreshtha, R C | |
| University: | Dr Ram Manohar Lohia Awadh University | |
| Language: | English | |
| 3 | ||
| Researcher: | Singh, O P | |
| Guide: | Sharma, B D | |
| University: | Dr Bhimrao Ambedkar University | |
| Language: | English | |
| 4 | Studies on nitrogen management in wheat + mustard interctopping on limited irrigations | |
| Researcher: | Singh, O P | |
| Guide: | Pal, Mahendra | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 5 | Effect of site and environment on yield and quality of sunflower, Helianthus annuus L | |
| Researcher: | Singh, O P | |
| Guide: | Singh, P P | |
| University: | Govind Ballabh Pant University of Agricultural and Technology | |
| Language: | English | |
| 6 | ||
| Researcher: | Singh, O P | |
| Guide: | Dangarade | |
| University: | Rani Durgavati Vishwavidyalaya | |
| Language: | English | |
| 7 | ||
| Researcher: | Singh, O. P. | |
| Guide: | Usmani, A F | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||
| 8 | ||
| Researcher: | Singh, O.P. | |
| Guide: | Dwevedi, Sunita and M. Venkatesan | |
| University: | Banasthali Univesity | |
| Language: | English | |
| Shodhganga | ||