a.

Oral presentation: National Conference on Physics Research and Education in Bangladesh (2015).

b.

Oral presentation: Smart villages (new thinking for off-grid communities worldwide) initiative workshop held in Dhaka on 26^th August 2015 consulted by Practical Action Bangladesh.

c.

Oral presentation: International conference on Nanoscience and Nanotechnology- ‘Aligarh Nano-IV International 2014’, Aligarh Muslim University, India.

d.

Oral presentation: The Energy and Resources Institute (TERI), New Delhi, India (2014). 

e.

Oral presentation: National Conference on Progress in Physics 2013, Bangladesh.

f.

Oral presentation: National Conference on Physics for Technology Development 2012, Bangladesh.

g.

Oral presentation: Bangladesh Chemical Congress 2012.

h.

Thesis presentation: Master in Nanoscience and Nanotechnology 2011, URV, Spain.

i.

Oral presentation: Bangladesh Chemical Congress 2009.

j.

Poster presentation: Bangladesh Chemical Congress 2007 and 2008.

k.

Thesis presentations: Master of Science 2001, Master of Philosophy 2008, Department of Chemistry, Dhaka University.