ASI Resumes Excavation at Kashipur's Dronasagar, Probing Mahabharata-Era Links - Kashipur, Uttarakhand: The Archaeological Survey of India (ASI) has recommenced excavation work at Dronasagar in Kashipur. The aim is ... Get Latest News on National only on lokmattimes.com. The aim is to scientifically validate local traditions connecting the site to Guru Dronacharya's ashram from the Mahabharata period.Mohan Chandra Joshi, Superintending Archaeologist (In-Charge) for ASI Dehradun Circle, highlighted the site's extensive history.