Trending South News Today: Karthikeya 2 beats Laal Singh Chaddha-Raksha Bandhan at box office; Ponniyin Selvan creates history and more

Nikhil Siddhartha's Karthikeya 2 leads at the box office, Vikram and Aishwarya Rai Bachchan's Ponniyin Selvan - Part 1 all set to create a history, and more; here are all the trending South news of the day...