You can choose Dalhousie, Manali, Kedarkantha.. basic & beginner trek.. you can explore your strengths specifically in snow & winter to going forward with moderate-difficult treks..😉
4. Finding travel buddies. I know that the travel plans won't work with your friends mostly. It gets cancelled, some have other engagement, jobs etc. So when you are free to go somebody else is also, so maybe find someone to travel with. Trust me I have made some friends with just one trip, they text me more and active.
As far as i know its open now !! I think it is advisable to avoid crowded places for a few months !! Places are gonna be there only your health wont !!