First time in India 3G services are available. Mahanagar Telephone Nigam Limited (MTNL) has launched 3G enabled Mobile services for its Delhi Network only.
MTNL is a state owned telecom provider in the cities of Mumbai and Delhi. MTNL's 3G network is based on the UMTS (Universal Mobile Telecommunications System) technology one of the popular 3G technology used worldwide. The 3G network infrastructure in Delhi has been built with equipments from Motorola.
Initially, the coverage for 3G services would have core of Delhi covering Connaught Place, Sanchar Bhawan, Rajaji Marg, India Gate, Pragati Maidan, Delhi Gate and Minto Road.
The technical complexities of a 3G phone or handset depends on its need to roam onto legacy 2G networks. In the first countries, Ireland and India, there was no need to include roaming capabilities to older networks such as GSM, so 3G phones were small and lightweight.

In layman terms 3G is all about Migrating from GPRS to UMTS. The image “” cannot be displayed, because it contains errors.
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3G - Wikipedia, the free encyclopedia3G is the third generation of tele standards and technology for mobile networking, superseding 2.5G. It is based on the International Telecommunication ... mtnl, mtnl 3g service, 3g mtnl, mtnl delhi, 3g india
What are 3G Mobile services provided by MTNL?
* Video Telephony – Customers can watch and talk simultaneously through Video Call.
* High speed internet for smart-phones and Laptop from 256 Kbps to 2 Mbps.
* A multitude of data related VAS services like
o Mobile TV
o Location surveillance
o Streaming Video on Demand
o Gaming etc.