Yes, there was a time in the 50s when you could get half a kilo of chicken for a rupee. Now, nobody cares about returning the change if it's a rupee or two. Has the 'one rupee' really become meaningless in today's India? Here are twenty things you can still buy for a rupee, and no, this is not an exhaustive list.
Dairy milk eclairs, mango bite, coffee bite... the list is huge.
For one more rupee, you can even ask for salt and lemon.