Stamp paper bought later than the date of deed

If your stamp paper date was before 5th, then it is valid. The terms and conditions of the deed cannot be enforced if the stamp paper date is after the date of the deed.

deed is just an instrument of conveyance of undertakings, whereis it must be clearly mentioned in deed that with effect from ( DATE)  that is the date of establishment ..........

if the pan is made on a wrong date then CA can file a correction and get it rectified ,,,,,as per deed