The 67-year-old Richards, who has been doing commentary along with pre and post-match analysis for the official broadcasters, was doing a show when he complained of uneasiness.
While a stretcher was brought, Richards left the ground with the help of two volunteers as posted on twitter. The details of his medical condition are still awaited.
It has been learnt that Richards suffered from dehydration due to excessive humid conditions. He was taken to the hospital for a precautionary check-up. He is currently getting medical attention in the West Indies dressing room.
Speaking about the 2nd Test, West Indies skipper Jason Holder won the toss and elected to bowl first. The team from the Caribbean brought in Rahkeem Cornwall and Jahmar Hamilton into the team in place of Miguel Cummins and Shai Hope.
India did not make any change to their team from the first Test whereas Windies made two changes to their side.
Here are the teams:
India: K.L. Rahul, Mayank Agarwal, Cheteshwar Pujara, Virat Kohli(c), Ajinkya Rahane, Hanuma Vihari, Rishabh Pant(w), Ravindra Jadeja, Ishant Sharma, Mohammed Shami, Jasprit Bumrah.
West Indies: Kraigg Brathwaite, John Campbell, Shamarh Brooks, Darren Bravo, Shimron Hetmyer, Jahmar Hamilton, Rahkeem Cornwall(w), Roston Chase, Jason Holder(c), Kemar Roach, Shannon Gabriel.