| Period from the date of issue of licence | Proportion of total export obligation |
| Block of 1st to 5th year | NIL |
| Block of 6th to 8th year | 15% |
| Block of 9th and 10th year | 35% |
| Block of 11th and 12th year | 50% |
| Period from the date of issue of licence | Proportion of total export obligation |
| Block of 1st to 5th year | NIL |
| Block of 6th to 8th year | 15% |
| Block of 9th and 10th year | 35% |
| Block of 11th and 12th year | 50% |
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