Seminar

1) “Normalized Laplacian spectrum of corona, edge corona and neighborhood corona of two regular graphs”, Ph.D Registration Seminar, IIT Kharagpur, December, 2014.

2) “Normalized Laplacian spectrum of balanced trees and corona of two regular graphs”, RS Day, IIT Kharagpur, March, 2015.

3) “Normalized Laplacian spectrum of some subdivision-coronas of two regular graphs”,Ph.D Enhancement Seminar, IIT Kharagpur, July, 2015.

4) “Normalized Laplacian spectrum of some partial join of subdivision of two regular graphs”, RS Day, IIT Kharagpur, March, 2016

5) “Normalized Laplacian spectrum of some subdivision-joins and R-joins of two regular graphs”, Ph.D 1st Extension Seminar, IIT Kharagpur, July, 2016.

6) “Normalized Laplacian spectrum of some partial R-join of two regular graphs”, RS Day, IIT Kharagpur, March, 2017.

7) “Normalized Laplacian spectrum of some Q-coronas of two regular graphs”, Ph.D 2nd Extension Seminar, IIT Kharagpur, August, 2017.

8) “Independence number and normalized Laplacian eigenvalue one”, Ph.D 3rd Extension Seminar, IIT Kharagpur, February, 2018.

9)  “Some results on normalized Laplacian spectrum of graphs”, Ph.D Synopsis Seminar, IIT Kharagpur, June, 2018.