Which allowances are exempted for employees ?

I have got it.

The following components are not taxable.
1. Medical allowance - Rs.15000/ - p.a. (need to produce bills for tax exemption)
2. Conveyance allaowance - Rs.9600/-p.a. (no proof required)
3.HRA - 50% of basic for metros & 40% of basic for non-metros (rent receipt to be produced for tax exemption)
4. Food coupons - Rs.1350/- p.m.
5. Children Edu. allowance - Rs.2400/- p.a. (for 2 children only)
6. Children Hostel Allowance - Rs.300/- p.m for each child (max 2 children)

Someone please confirm the figurs.