You should convert Magnus to Magnus Burgundy by putting fixed deposits of 30 lacs and paying joining fee 35400 because you will benefit by 1.4 lakhs on conversion.(3.5 lac points).
You have to convert 200000 points this year and 1.5 lakh points next year.
Vistara infinite should be stopped because there is no point paying 11800 when its difficult to get the free award seats of the route, day and time of your choice using the voucher or the points.
Also the voucher is valid only for domestic travel.
You should keep Atlas because you can use it for direct hotel and flights to get 10% return.