First activate rs.5 daily rental plan
rs. 5 plan for unlimited use . . .
Work with apn :- imis
Maintain ur balance above rs. 10 when u want to use net
surf & download whole day then at night reduce your balance to below 4.99 by calling/smsing
(balance reduce time after 11pm to next 4 hours)
Afterthat dont reacharge for that day.
Repeat this trick for next day...Thats itt..!!!
-Use balance for talk time not for GPRS-