Shahaji Raje was given the vassals of Pune and Supa and the fortress of Supa was in the hands of his relative Baji Mohite. Shivaji Maharaj invaded the fort of Supa at night and took control of the fort and Baji Mohite was sent to Shahji Raje in Some part of his army also came in the service of Shivaji Maharaj. At the same time, the fortress of Purandar died and a battle broke out between his three sons for the succession of the fort. On the invitation of two brothers, Shivaji Maharaj reached Purandar and taking diplomacy, he arrested all the brothers. In this way, his authority was also established on the fort of Purandar. By 1647 AD, he had also become the ruler of the territory from Chakan to Neera. With his increased military power, Shivaji Maharaj planned to enter the plains. Shivaji Maharaj sent an army under the leadership of Abaji Sonder against the Konkan by forming an cavalry army Abaji captured nine other fortifications including Konkan. Apart from this, the fortifications of Tala, Mosmala and Raiti also came under Shivaji Maharaj. All the property looted was kept safe in After liberating the governor of Kalyan, Shivaji Maharaj turned to Colaba and incited the chiefs to wage war against foreigners. Sultan of Bijapur was in a rage before Shivaji Maharaj's antics. He ordered Shivaji Maharaj's father to be arrested. Shahaji Raje was in Karnataka at the time and was taken prisoner by a treacherous assistant Baji Ghorpade and brought to Bijapur He was also charged that he tried to obtain the service of Qutb Shah who was the ruler of Golconda and hence the enemy of Adilshah. After the mediation of two chieftains of Bijapur, Shahaji Maharaj was freed on the condition that he would control Shivaji Maharaj. For the next four years, Shivaji Maharaj did not launch an attack against Bijipur. During this time he organized his army.