| 1 | Photoperiod and seasonal reproduction in a subtropical sparrow  | 
| Researcher: | Tripathi, Parmanand Mani | 
| University: | Banaras Hindu University | 
| Language: | English | 
| 2 | Photoperiod, reproduction and circadian rhythm in the female subtropical house sparrow  | 
| Researcher: | Ravikumar, G | 
| University: | Banaras Hindu University | 
| Language: | English | 
| 3 | Role of photoperiod in timing seasonal breeding in the tree sparrow, passer montanus (linnaeus)  | 
| Researcher: | Singh, Namram Sushindrajit | 
| Guide: | Dixit, A S | 
| University: | North-Eastern Hill University | 
| Language: | English |