India-Patents-Rule 138

Power to extend time specified or condone delay

Notwithstanding anything contained in these rules, the time specified for doing any act or taking any proceeding thereunder may be extended or any delay may be condoned by the Controller for a period of up to six months, upon a request made in Form 4, where such request is made before the expiry of the said period of six months:
Provided that such request may be made any number of times within the specified period of six months.