Complex sentence: Mughals sent Shaista khan with a huge force against shivaji who camped at Pune.Meanwhile shivaji was traped in the siege of Panhala by Bijapuri forces under Siddi Jauhar from where shivaji escaped.
Split into simpler sentences: Mughals sent Shaista khan with a huge force against Shivaji who camped at Pune. Meanwhile Shivaji was trapped in the siege of Panhala by Bijapuri forces under Siddi Jauhar from where Shivaji escaped.