IF I CHOOSE TFW IN UPSEE THEN WOULD I BE ABLE TO GET RESERVATION FOR OTHER BRANCH OR COLLEGES?

Yes obviously you will get benefits due to in TFW category. So you will get some advantage over other. There is different cutoff for each category. As  branch you want to take you will get that branch. You will get preference for College. Go through counselling properly. You will get benefits due to in TFW category. As counselling is done on the basis of general rank.