Rajinder Singh had the following finishes at major championships – 1982 World Championship: 74.0 kg. Freestyle (15th); 1978 Commonwealth Games: 74.0 kg. Freestyle (1st); 1982 Commonwealth Games: 74.0 kg. Freestyle (1st); 1981 Asian Championship: 100.0 kg. Freestyle (2nd); 2000 Asian Championship: 58.0 kg. Greco-Roman (9th); 1978 Asian Games: 74.0 kg. Freestyle (1st); 1978 Asian Games: 52.0 kg. Freestyle (5th); 1986 Asian Games: 82.0 kg. Freestyle (5th); 1986 Asian Games: 130.0 kg. Greco-Roman (6th).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Wrestling |  IND |
Rajinder Singh | |||
| Welterweight, Greco-Roman, Men (Olympic) | ||||||
| Welterweight, Freestyle, Men (Olympic) | 6 | |||||
| 1984 Summer Olympics | Wrestling | IND |
Rajinder Singh | |||
| Welterweight, Freestyle, Men (Olympic) | 4 |
