|   1    | Some aspects of sample surveys with special referece to estimation of frequecy distributions in finitepopulations   | 
| Researcher: | Arora, Lokesh | 
| Guide: | Sen, KanwerGupta, H CSingh, D | 
| University: | University Of Delhi  | 
| Language: | English  | 
|   2    | On certain improved estimators in the sample survey   | 
| Researcher: | Singh, Balwant | 
| Guide: | Singh, Ravinder | 
| University: | Punjab Agricultural University  | 
| Language: | English  | 
|   3    | Some contributions to the theory of sampling   | 
| Researcher: | Mehta, Sehdev Krishan | 
| Guide: | Singh, Ravindra | 
| University: | Punjab Agricultural University  | 
| Language: | English  | 
|   4    | Some developmets in the theory of sampling   | 
| Researcher: | Lal, Mohan | 
| Guide: | Singh, Ravindra | 
| University: | Punjab Agricultural University  | 
| Language: | English  | 
|   5    | Contribution to the sampling theory of surveys   | 
| Researcher: | Dayal, Shambhu | 
| Guide: | Gupta, H CDass, M N | 
| University: | University Of Delhi  | 
| Language: | English  |