The answer is Dravid is a friend of Indra’s. You are claiming that Dravid is Indra’s friend. Although some people say ‘Dravid is a friend of Indra’, grammarians would argue that it is wrong. When you say Dravid is a friend of Indra’s, what you mean is that Indra has several friends, and Dravid is one of them. Take a look at these examples. ‘She is Rahul’s wife’ and ‘She is a wife of Rahul’s.’ The first sentence suggests that Rahul has one wife, and the second suggests that he has more than one!
Example: The children standing over there are classmates of Ananya’s.