mobile tariff warTata DoCoMo and Aircel set on fire the Per Second Billing Tariff in July-09, which will go in History as one of them most disruptive Telecom Tariffs. Since then, operators were reducing tariffs halfheartedly. However, as consumers started to shift to Per Second Billing ditching incumbent services, the telecom tariff war deepened in October with RCom introducing Simply Reliance Tariff.

Here is a chronology of Mobile Tariffs introduced by the incumbent operators

Date / Operator / Plan
5-Oct-09 RCOM National 50p plan Lifetime 50p/min 50p/min
Tata Docomo National Per sec billing Lifetime 1p/sec 1p/sec
9-Oct-09 Idea HP, Rajasthan, Bihar Per sec billing 1p/sec 1p/sec – Idea HP, Rajasthan, Bihar Saral plan 40p/min 60p/min 37
10-Oct-09 Vodafone MP Per sec billing 1p/sec 1p/sec
12-Oct-09 Idea Mumbai 50p plan 40p/min 50p/min
16-Oct-09 Vodafone UP (East) 50p plan 50p/min 50p/min
19-Oct-09 Vodafone Bihar Per sec billing 1p/sec 1p/sec
21-Oct-09 Idea Kerala 50p plan 50p/min 50p/min
26-Oct-09 Idea Mumbai Per sec billing 1p/sec 1p/sec
31-Oct-09 Bharti National Per sec billing 1p/1.2p per sec 1p/1.2p per sec
1-Nov-09 Idea Maharashtra Per sec billing 1p/1.2p per sec 1p/1.2p per sec
2-Nov-09 Vodafone Kerala, Mumbai Per sec billing 1p/1.2p per sec 1p/1.2p per sec
3-Nov-09 Vodafone Kolkata, UP-E Per sec billing 1p/sec 1p/sec
3-Nov-09 RCOM National Per sec billing 1p/sec 1p/sec
3-Nov-09 RCOM National 3min pulse Lifetime Rs1 per 3min Rs1 per 3min
4-Nov-09 Vodafone Delhi Per sec billing 1p/1.2p per sec 1p/1.2p per sec

Only Tata DoCoMo and Reliance Mobile are offering Lifetime Validity on per second billing while all other operators mentioned above are offering 12 months validity.