Chennai, Feb 24 (ANI): AIADMK Office in Chennai witnessed grand celebration as the party chief J Jayalalithaa turned 67 on Tuesday. Party workers and members are organising a number of welfare activities to mark their leader's birthday which also includes a free medical camp. While special prayers at religious places were conducted for the former Chief Minister's acquittal in an assets case also, mass marriages and welfare activities marked the day for supporters. The party workers also cut a grand cake shaped as the number '67' and later distributed sweets to the poor. Firecrackers, dance and music marked the day at the party office as people rejoiced on the occasion. Meanwhile, Prime Minister Narendra Modi also extended his wishes to former Tamil Nadu Chief Minister on her birthday. "Birthday greetings to Jayalalithaa ji. May she be blessed with a long life, filled with good health," he said.