Vishalgad (also called Khelna or Khilna) was one of the important forts of Shivaji and Maratha Empire. The name ‘Vishalgad’ meaning grand fort in Marathi, was given by Shivaji after annexing it for the Maratha Empire in 1659.The fort is about 1130 metres that is 3630 feet.
Khelna was in the control of Adilshah of Bijapur. Shivaji wanted to conquer the fort but the terrain of the fort was difficult; conquering the fort was easier said than done. Shivaji attacked the fort but the Adilshahi garrison at the fort was defending the fort valiantly. Then, Shivaji came up with a plan. Accordingly, a group of Marathas went up to the fort and convinced the Adilshahi commander (killedar) of the fort that they were not content with the rule of Shivaji and thus, had come to serve the Adilshah. The Marathas were successful and the next day, they revolted and caused total chaos inside the fort. Simultaneously, Shivaji attacked the fort from outside and in no time captured the fort. Shivaji renamed the fort as Vishalgad.