MTS India launched range of cheap and affordable mobile phones with lifetime validity and all local calls at 0.5Paisa/Second.

MTS Mobile Phone Price in India – MTS CDMA Phone Range
MTS C6300: Rs 899/-
MTS C2807: Rs. 999/-
Colour Display, Speaker Phone & Double Battery
MTS Super Power: Rs. 999/-
1.5″ Color Display, Powerful Battery 1000 mAh, Stylish and Lightweight
MTS Super [...]

Aircel INQ Mini 3G is one of the most affordable 3G Mobile phone with built-in Social media features @ cheap price.
Aircel INQ Mini 3G Mobile Features:

Smart address book which integrates all infos
Changeable battery covers (Yellow, Black, Pink, RED, Blue or Green)
You can Also make skype calls from Your Phone
Widget based [...]

Aircel INQ Chat 3G – Aircel partnered with INQ to launch multifunctional QWERTY phone with high speed 3G connectivity and easy to access popular Social Networking site @ attractive price.
INQ Chat 3G mobile phone features:

2.4″ QVGA Display
3.2MP Camera
Integrated Facebook, Twitter, Skype and Windows Live Messenger
Bluetooth and Expandable memory

Aircel INQ Chat [...]

Aircel peek is small portable email device which allows users to send and receive email on the move and available at cheap price in India.

Aircel Peek Features:

QWERTY keypad
You can configure up to 3 email accounts
Push E-mail
Work anywhere with GPRS Connnection
You can save max 5000 emails
Store 1000 Contacts
Excellent Battery [...]

Virgin vFlash USB Modem offers 3.1 Mbps Broadband speed, national coverage, 8 GB storage and attractive Tariff Plans.
Virgin vFlash USB Modem Features:

Stylish swivel design, easy to plug an play
Built-in 8 GB data space
Zero Data Plan Rental for the first 30 days
Watch 40 channels with vFlash TV
No rental on vFlash TV [...]

MTS Pay Per Second Plan

Starter Kit with Life Time Validity: Rs. 49/- Indian Rupee (INR)
Talktime: Nil
Local Calls @ 1 paise/second
STD Calls @ 1 paise/second for first 10,000 seconds after that 2 Paise/sec
SMS Charges:
Local: 50 Paise
National: 1 Rupee
International: 5/- Rupees
Roaming charges: Incoming 1 Rupee/Minute and Outgoing 1.50 [...]

Aircel Pay Per Second Plan:

Starter Kit with Life Time Validity: Rs. 49/- Indian Rupee (INR)
Talktime: Nil
Local Calls @ 1 paise/second
STD Calls @ 1 paise/second for first 10,000 seconds after that 2 Paise/sec
International and SMS Charges as per prepaid plan
Roaming charges as per plan

Existing subscribers can get this Pay Per [...]

Idea Pay Per Second Plan Details:

Recharge with 49 Rupees Voucher
Validity: Lifetime
Talktime: Rs. 5/-
Local Calls @ 1 paise/second
STD Calls @ 1 paise/second
SMS Charges:
Local: 40 Paise
National: 60 Paise
International: 5/- Rupees
Roaming charges for Incoming and Outgoing Calls at 1 Paise per second

Idea Pay Per Second Terms & Conditions:

[...]

Tata Docomo Pay Per Second Plan Details:

One Time Recharge: Rs. 49/- Indian Rupee (INR)
Validity: Lifetime
Talktime: Rs. 5/-
Local Call Rates @ 1 paise/second
STD call rates @ 1 paise/second to any netwok
SMS Rates:
Local: 60 Paise
National: 1.20 Rupee
International: 5/-
In Roaming Incoming and Outgoing @ 1 Paisa/sec

Tata Docomo Pay [...]

BSNL launched pay per second postpaid plan (Plan225) for its subscribers.
“Per second billing will be an advantage for customers. BSNL has introduced per second pulse in postpaid plan 225. ISD calls are now available on per second pulse making it more affordable and attractive,” BSNL CMD Kuldeep Goyal said.

BSNL Plan225 Postpaid pay per second [...]