REFERENCES*

List of references include my or 'my students' research guides at different stages, 'my teachers', my  & 'my students' Ph.D. thesis reviewers, my collaborators and some of the researchers whom I never met but they appreciated my research work over emails. Some of them I know from my Ph.D./postdoc days, they used to visit our place and some of them I know only from very recently. Above all, I consider myself very lucky to get reference letters from those, who are world's leader in their respective research areas.