The oldest rocks in India are reported from

Dharwad is the district headquarters of Dharwad district in the state of Karnataka, India. It was merged with the city of Hubballi in 1961 to form the twin cities of Hubballi-Dharwad. It covers an area of 200.23 km² and is located 425 km northwest of Bengaluru, on NH-48, between Bengaluru and Pune. The oldest rocks in India are reported from Dharwar region, Karnataka.