TATA DOCOMO have Rs.250/- 3G plan which they call Unlimited 3G Rs.250/- Plan.
But this plan is not Real 3G Unlimited Plan this plan offers 1GB 3G Data and after 1GB it cappes your speed to 2G that means 1GB 3G and after that 2G unlimited.
But this Rs.250/- plan have one advantage that is after you recharge with Rs.250/- you get Rs.222.5 talktime and 1GB 3G Data and Postusage of the 1GB 3G data you will be able to use unlimited 3G browsing but speed reduced to 64kbps.
There is no validity of the talktime it can be used any time that Rs. 222.5 will be credited into your main Account Balance of TATA DOCOMO SIM.
After recrage of Rs.250/- to activate data access you need to send SMS 'HVC' to '52270' after that you need to select "TATA.DOCOMO.INTERNETHVC" apn on your handset or computer to enjoy unlimited benefits of 3G, this Data balance unlimited is valid for 30 Days and the balance valid for lifetime validity.
You will need to recharge the special recharge of same through retailer to get all the benefits.
Information About TATA DOCOMO Unlimited 3G Rs.250/- Plan :
Talktime : Rs.222.5/- (valid for lifetime validity)
Data : 1GB 3G Data (Postusage of the 1GB 3G data Speed reduced to 64kbps)
APN : TATA.DOCOMO.INTERNET.HVC
For Automatic APN Settings : SMS 'HVC' to '52270'
