Among the prisoners, the cousins of Raja Ramsingh were released, but the Bhatdhara Phukan, brother of the late Laluksola Borphukan who had abandoned Guwahati, was ghoulishly killed.
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With the fall of Itakhuli, the Ahom kingdom quickly occupied the region up to Manas river, and set up administration under the Borphukan, with his headquarters at Guwahati.
The Battle of Saraighat was fought in 1671 between the Mughal empire (led by the Kachwaha king, Raja Ramsingh I), and the Ahom Kingdom (led by Lachit Borphukan) on the Brahmaputra river at Saraighat, now in Guwahati.
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People who had dispersed due to Mir Jumla's invasion were rehabilitated in the appropriate khels, food and military productions were increased, new forts were constructed and garrisoned and an experditionary army was organized under a new commander—Lachit Borphukan.
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Though the Mughals managed to regain Guwahati briefly after a later Borphukan deserted it, the Ahoms wrested control in the Battle of Itakhuli in 1682 and maintained it till the end of their rule.
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Lachit made Kaliabor, the old seat of the Borphukan, his base camp and advanced toward Guwahati along both banks of the Brahmaputra.
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Their commander-in-chief, Lachit Borphukan and their admiral were both seriously ill, and the Nara Raja, the son of the Miri Sandikoi, was in command.
Previously, Beltola was also the seat for a small protectorate of Ahom Kingdom, principally assisting administration of the Borphukan and in maintaining relations with the communities of Khasi Hills.
The region to the east of Kaliabor was governed by the Borbarua.
After this victory, Lachit Borphukan, after obtaining permission from Ahom king Swargadeo Udayaditya Singha, installed Gandharva Narayan as the king of Beltola.
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When he was still a prince, he joined the Ahom forces led by Lachit Borphukan against the invading Mughal forces led by Raja Ram Singh I of Amber and participated in the famous Battle of Saraighat, in which the Ahoms won a decisive victory against the Mughals.
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During Ahom reign, Beltola was a small kingdom, whose ruler assisted in the administration of the Borphukan in Guwahati, the Ahom Viceroy of Lower Assam and in maintaining relations with the communities of Khasi Hills.
Ragh Neog became the Borbarua, a kanri paik became the Borphukan and two common Ahoms became the Gohains at Sadiya and Marangi.
The Borbarua and the Borphukan had military and judicial responsibilities, and they were aided by two separate councils (sora) of Phukans.
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Under the same king, the offices of the Borphukan, and the Borbarua were established along with other smaller offices.
Pijou Gabhoru, the daughter-in-law of Purnananda Burhagohain, who was also the daughter of Badan Chandra Borphukan, send an early message to her father, warning him of the impending danger.
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In 1816, Badan Chandra Borphukan came to the court of Burmese King Bodawpaya and sought help to defeat his political rival Purnananda Burhagohain.
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Finally in 1815 CE, Purnananda Burhagohain decided to act and he send a deputation with orders to arrest Badan Chandra Borphukan and bring him to the capital Jorhat for justice.
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Meanwhile the people of Western Assam, complained Burhagohain about the atrocities committed by Badan Chandra Borphukan and his two sons, Janmi and Piyoli.
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The move backfired when Purnananda Burhagohain expressed his displeasure and suspected Badan Chandra Borphukan of misusing his office.