So it is a transfer of property instantly and without any exchange. There have to be a transparent intention by the donor to transfer the possession on the doner for a valid present. It can be revoked via the doner. Plus the provisions for the same have also been mentioned. https://illegal-encroachments-law15985.blogripley.com/31754868/a-review-of-nuisance-and-land-use-wakeel-in-karachi