The correct answer is A. Patna.
Indira Gandhi Stadium is a multi-purpose stadium in Patna, India. It is the home ground of the Bihar cricket team and the Bihar football team. The stadium has a capacity of 35,000 people. It was built in 1983 and was named after Indira Gandhi, the former Prime Minister of India.
The stadium has hosted several international cricket matches, including a Test match between India and Australia in 1986. It has also hosted several international football matches, including a FIFA World Cup qualifier between India and Iran in 2005.
The stadium is located in the heart of Patna, near the Gandhi Maidan. It is easily accessible by public transport.
The other options are incorrect because:
- Gaya is a city in the Indian state of Bihar. It is located about 100 kilometers south of Patna.
- Purnea is a city in the Indian state of Bihar. It is located about 300 kilometers north of Patna.
- Muzaffarpur is a city in the Indian state of Bihar. It is located about 200 kilometers north of Patna.