Conservative MP Deepak Obhrai will host the 15th annual national Diwali celebration on Parliament Hill today, starting at 6:30 p.m. The evening will feature Diwali Pooja, speeches from political leaders, cultural performances and a reception. The event takes place in the Sir John A. Macdonald Building main hall. Mr. Obhrai has been organizing the event since 1998. “Over the years, it has blossomed into a very popular Canadian multicultural event with over 500 people in attendance every year.