What was the question for this implicit rationale, and corresponding answer?
To answer the above question, the relevant sentence is: Aditya Puri is the Managing Director of HDFC Bank, India's largest private sector bank.
The answer: Aditya Puri
The question: Aditya Puri is the Managing Director of HDFC Bank, India's largest private sector bank. He assumed this position in September 1994, making him the longest-serving head of any private bank in the country. India Today magazine ranked him # 24th in India's 50 Most Powerful People of 2017 list.

Answer this question: who is the managing director of hdfc bank?