ISRO — refund amount

I have booked flight ticket from blr to amd on 29/3/20. But due to covid virus my exam has been cancelled so i have cancelled my flight ticket also.. So i want to refund my full amount in my bank account.. Please checked it. My pnr no. Vgsz4c. Due to covid all exams cancelled. So its not favorable to my side. So please proceed my refund amount in my bank account immediately..