I had purcahsed one docomo lifetime prepaid connection on the day it launched in kolkata. Primary objective was whenever I need a sort conversation then use this connection to control my mobile usage as I am using a dual sim handset.
Docomo is a true per second biller, I have no complain against them so far regarding billing. Maximum time they are giving 100% talktime on top ups under various schemes. They don’t have any conditions to remain in lifetime, means no minimum recharge is required in every six months period.
All the present call & sms rates are applicable without any special packs and all these rates are valid for lifetime. It’s hugely economical connection. It is 100% value for money.
My only negetive point is network coverage. On the roads, there is no complains but most of the time signal drops whenever u entered any premises.
Hope, with time it will be solve by tata.
Till then, all the best.