| 1 | 
Contribution of Sri. Subramania Bharati to the empowerment of Women | 
Invited Lecture at Women’s Studies Centre, Tripura University on the occasion of the Commemoration of the birthday of Shri Subramania Bharati | 
Women’s Studies Centre, Tripura University on 11/12/2014 | 
| 2 | 
Declining Trends of Insurgency in Tripura | 
National seminar on North East India: Before and After Partition with Special reference to Tripura at Swami Vivekananda Mahavidyalaya, Mohanpur | 
Swami Vivekananda Mahavidyalaya, Mohanpur, Tripura, 14th and 15th February,2015 | 
| 3 | 
Tribal students and their activities for spreading education in 1940’s Tripura | 
National Seminar on Educating Tribal Children : Issues and remedies with special reference to Tripura at Institute of Advanced Studies, Kunjaban | 
Institute of Advanced Studies, Kunjaban, 5th and 6th March,2016 | 
| 4 | 
Reflection of Partition in Literature of Tripura with Historical Context | 
International seminar on One Hundred Fifty Years of Bengali ‘Kathasahitya’ at Governement Degree College, Kamalpur, Dhalai | 
Department of Bengali, Governement Degree College, Kamalpur, Dhalai, 5th and 6th April, 2016 | 
| 5 | 
Socio-political activities of student and youths of Tripura before 1945 AD | 
37th annual conference of North East India History Association | 
Sikkim Government College, Tadong, 10-12 Nov, 2016 | 
| 6 | 
Invited lecture titled Tripura since 1947: Society, Polity and Economy | 
North East India since 1947: Society, Polity and Economy with special reference to Tripura | 
OKD Institute of Social Change and Development, ESSOT and Department of Business management, TU, January 22-23, 2017 | 
| 7 | 
Bipin Chandra Pal, The son of Surma Valley and His Idea of Federal Empire | 
38th annual conference of North East India History Association | 
D.K. Girls’ College, Mirza, Guwahati, Assam, 2-4 october,2017 | 
| 8 | 
Role of Left Student Organisations in the Social Movements in Post-merger Tripura (till 1978 A.D) | 
39th annual conference of North East India History Association | 
Synod College, Shillong, 1-3 November, 2018 | 
| 9 | 
Invited Lecture on Relevance of Mahatma Gandhi in the Present Millenium | 
  | 
MBB University and held at Durbar Hall of old Raj Bhavan, 15th November, 2018 | 
| 10 | 
Invited lecture on Induction Training of Faculty Programme | 
30 day long Induction Training of Faculty Programme | 
Faculty Development Centre, Tripura University,1-30 November,2017 | 
| 11 | 
Invited lecture on Induction Training of Faculty Programme | 
30 day long Induction Training of Faculty Programme | 
Faculty Development Centre, Tripura University,04 September-03 October,2018 | 
| 12 | 
Studying Cultural History of Princely Tripura: Trends and Prospects | 
National Seminar on Cultural Studies in North East India: Prospects and Challenges | 
Department of History, Tripura University, 24-26 January, 2019 | 
| 13 | 
Invited lecture on Economic Thought of Mahatma Gandhi | 
  | 
Government Degree College, Khumulwng on 1st October, 2019 | 
| 14 | 
Ishwar Chandra Vidyasagar: Looking Beyond the Narrow Visions of Historical Understanding | 
National Seminar on Ishwar Chandra Vidyasagar and His Contemporaries | 
Department of Public Administration, MBB University sponsored by MAKAIAS, 09th -10th January, 2020 | 
| 15 | 
invited online lecture on Studying Disaster in History | 
  | 
Department of History, Women’s College, Agartala, on 1/7/2020 | 
| 16 | 
Maharaja Birchandra Manikya: An assessment in historiography | 
International Web Conference on Advance Research in Science, Humanities and Social Science | 
MBB University, 09th- 10th July, 2020 | 
| 17 | 
The Quiet Historian: Prof. Dipak Kumar Chaudhuri and His World of History | 
Inaugural Prof. Dipak Kumar Chaudhuru Memorial Online Lecture | 
Holy Cross College, Agartala, 26th August, 2020 | 
| 18 | 
Floods and Nationalist Politics in British Assam | 
Lecture delivered online in the FDP on New Perspectives on the History of North East India | 
Department of History and Distance Education, RGU, Arunachal Pradesh, 02nd-06th November, 2020 | 
| 19 | 
Invited lecture on Social and Political Changes in Princely Tripura: From Birchandra Manikya to Bir Bikram Kishore Manikya | 
  | 
Reserve Bank of India, Agartala, 15th January, 2021 | 
| 20 | 
Environmental History in North East India | 
Online lecture delivered at the Short Term Course on Disaster Management | 
Human Resource Development Centre, NBU, 15th March, 2021 | 
| 21 | 
Partition, Integration and Tripura | 
One day international webinar on Partition in the Limelight of History and Literature | 
Department of History, Rampurhat College, 20th July, 2021 |