How do I recharge airtel STD and 2G offer from my current balance..

How do I recharge airtel STD and 2G offer from my current balance..

1) Please how can i browse on my android phones.
2) How can i know my current data plan on my airtel sim.

For GPRS just dial Dial *567# and follow the description. If you wanna know your offer Dial *121*1#.