Nadiad is a city in the state of Gujarat, India and the administrative centre of the Kheda district. It is known for the Santram Mandir, the Mai Man…Nadiad is a city in the state of Gujarat, India and the administrative centre of the Kheda district. It is known for the Santram Mandir, the Mai Mandir, It is the birthplace of Sardar Vallabhbhai Patel, the first Deputy Prime Minister of India.