Perpetual injunctions are final remedies granted only after full trial on merits — unlike temporary injunctions (granted at any stage, even before trial, under Order 39 CPC) or mandatory injunctions (which require positive action).

1. 1 Pick up Specific Relief Act, 1963.
2. 2 Go to Section 37 — Temporary and perpetual injunctions.
3. 3 Read sub-section (2): 'A perpetual injunction can only be granted by the decree made at the hearing and upon the merits of the suit.'

The text reads: Section 37(2): A perpetual injunction can only be granted by the decree made at the hearing and upon the merits of the suit.