KHL
Airtel gprs

I am old costomer of airtel gprs using for internet on my PC.before one month monthaly rental was Rs.297.00 per month, but this month charging Rs.500.00, it must be afordable, but speed was not increased it was 230 kbps, before, and it is same after increasing monthaly charges, do you help me how i can get speed of 512kbps in this monthaly charges?

please guide me.

Thanking you,

Sincerly your's

ISHWAR SINGH KUNDU MOBILE NO.09996234738.