Biggest A/C Marriage hall/ largest kalyana mandapam in Chennai – Shrivaaru Venkatachalapathy Palace., Shrivaaru Venkatachalapathy Palace is one of the largest Wedding Hall & Convention Center in South India. . The size is a considerable 50,000 sq.ft. and can accommodate more than 5000 people at once. Facilities include Central Air-conditioning, Power Back-up, Car Parking for over 1000 cars, 22 a/c rooms, and a grand landscape.