In ancient time Garhmukteshwar was part of

Answer: Option A

Garhmukteshwar is an ancient place that is mentioned in the Bhagavata Purana and the Mahabharata. There are claims that it was a part of ancient Hastinapur, the capital of the Pandavas. An ancient fort, repaired by the Maratha leader Mir Bhawan, became, under the British, the headquarters of the tehsil.