During his police career, he was appointed as the Officer on Special Duty (OSD) on the Ayodhya dispute by then Prime Minister V. P. Singh to mediate between the Vishva Hindu Parishad and the Babri Masjid Action Committee.

The Government of V. P. Singh established an 'Ayodhya Cell' in 1990 under the leadership of the Minister of State for Home Affairs for handling the Ayodhya dispute.

[10] The cell continued under the Government of Chandra Sekhar (November 1990–March 1991), during which time Rajiv Gandhi suggested that historical and archaeological evidence should be taken into consideration for deciding the Ayodhya issue.

The representatives of the Vishva Hindu Parishad (VHP) and the Babri Masjid Action Committee (BMAC) met under the banner of the Ayodhya Cell, and decided to exchange their respective evidence.

[12] The four key historians nominated by the BMAC, R. S. Sharma, Suraj Bhan, M. Athar Ali and D. N. Jha, asked for six weeks to examine the VHP's evidence.

[13] On 29 December 2024, Kunal suffered a cardiac arrest while being admitted for minor issues related to cold and cough at the Mahavir Vaatsalya Hospital in Patna.

[17] He was involved in the uplift of Mundeshwari Bhawani Mandir, the 'oldest' surviving temple in the eastern region belonging to Gupta Age (AD 343) and located in Kaimur hills.

[18] Under his leadership as the Secretary, Bihar Mahavir Mandir Trust (BMMT), he has spearheaded building the biggest temple in the world.

The award, presented to Kunal by the President of India Pratibha Patil, is instituted by the Bhagwan Mahaveer Foundation, Chennai.

He is also author of Dalit Devo Bhava, a promininent work examining the original proofs of regional languages and Hindi literature and on the basis of new interpretations, has tried to prove that in order to give Dalits an equal place in society, every part of the country and In the past, visionary sages have taken meaningful initiatives.

In this 800-page book, Kunal analysed the historical documents to draw the conclusion that the Babri Masjid was built by Emperor Aurangzeb, not Babur.

Kunal also stated that a Ram temple existed at the disputed site which was demolished by Aurangzeb's governor Fedai Khan in 1660 AD.