Many people are simply curious and at the same time shy; they may simply stare at you, especially in smaller towns or may offer to sell you things, perform services, etc., or beggars may ask for money the best thing that you can do is to ignore them.

Indian queues can be amazing - if you want to be served you must hold your own in the queue. Defend your position be careful of pick pocketers in the queue & other rush areas.