Hi Amol,
My suggestion is to appear for exam at test center only as it is very easy and comfortable to appear for exam at test center. I am from Pune too and don't think there will be strict lockdown.
People face problems in appearing exam at home so just suggesting this.
If you still want to change to online - you contact the right forum in below -
https://trainingsupport.microsoft.com/en-us/newthread?threadtype=Questions&cancelurl=%2Fen-us
Please don't forget to Accept Answer and Up-vote if the response helped -- Vaibhav