Bangalore Experience: Great place to have fun. There are lots to do in bangalore. UB city is a great place if you wanna feel like you're in some other country.
Food, sight-seeing and shopping: Brigade Road, malls.
Activities & things to do: Just go 2 pubs if you wanna drink, Wonderla if you wanna have fun, nandi hills if you wanna see the sun rise and lots.
Travel tips, How to reach, travel warnings etc: By train.