With Ganesh Utsav upon us, pandals across the city will witness colossal footfalls in terms of devotees. And using the substantial platform for a good cause is Dr Nishant Kumar, who in spite of living abroad for 15 years, returned to India to make a difference. He has to his credit, the distinction of being only the second ophthalmologist in the world to have received a Fulbright Scholarship from the US Senate.