Idea has introduced new Rs.112 pack offering 250MB anytime data with 250MB night data. Best part is 28days validity. It is a lowest denomination pack from a 3G operator(except Mtnl) in Delhi with enough data for low usage.
Previously Aircel was offering Rs.123 pack with 500MB data free. Problem with aircel was while using 3G service on roaming with reliance or Vodafone network voice n sms packs become useless as one was charged a standard voice n sms rate.
This Idea Rs.112 pack with 28 validity is cheapest monthly pack in Delhi circle and is using awesome 900mhz frequency for 3G which is known for its in-building penetration.