| Expeller Mustard Oil usage in Vanasapati (From 1985 onwards) | |
| Date | Expeller Mustard Oil Use |
| 15th Jan.,1985 to 14th Jan.;1986 | 10% |
| 15th Jan.,1986 | 20% |
| 8th Feb.,March,April,1986 | 30% |
| 8th May,1986 | 50% |
| 16th May,1986 | 30% |
| June,1986 | 30% |
| 10th July,1986 | 15% |
| 1st August, 1986 | Banned for use .permission to use stock given upto 30th Sept. 1986 |
| 16th March,1987 | 10% |
| 1st April,1987 to 15th May,1987 | 20% |
| 10th Jan ., 1989 to 10th March ,1989 | 20% |
| 29th March,1989 to 31st May ,1989 | 20% |
| 13th June,1989 to 15th Dec ., 1989 | 20% |
| 14th March,1990 to 5th July,1990 | 20% |
| 26th March ,1991 to 31st July,1991 | 20% |
| 27th October, 1997 | 30% * |
| 15th June, 1998 | 10% |
| 11th Sept., 1998 | Banned for Use |
| 5th Nov., 1998 | 20% ** |
