Sanjay Gandhi Mini Stadiumis located at

Sanjay Gandhi Mini Stadium is located in Patna, Bihar, India. It is a multi-purpose stadium that is used for cricket, football, and athletics. The stadium has a capacity of 15,000 people. It was built in 1983 and was named after Sanjay Gandhi, the son of Indira Gandhi. The stadium has hosted several international matches, including a Test match between India and Pakistan in 1986. It is also the home ground of the Bihar cricket team.

The other options are incorrect because:

• Gaya is a city in the Indian state of Bihar. It is located on the banks of the Phalgu River. Gaya is a major pilgrimage site for Hindus and Buddhists.
• Hajipur is a city in the Indian state of Bihar. It is located on the banks of the Ganges River. Hajipur is a major commercial center and is known for its silk industry.
• Jehanabad is a city in the Indian state of Bihar. It is located on the banks of the Son River. Jehanabad is a major industrial center and is known for its coal mines.