India will take on Bangladesh in the first of the two-match Test series at Chittagong today.Captain Mahendra Singh Dhoni has been ruled out for the today's match due to back spasm. In his absence, Virender Sehwag will lead Team India.All India Radio will broadcast a running commentary on the match from 08.50 am till the end of the match. It can be heard on Rajdhani and FM Gold channels.