Hello Mr. Dinakaran..
TRAI stands for Telecommunications Regulatory Authority of India..

The Telecommunications (TELECOM in short) Regulatory Authority of India (Hindi: भारतीय दूरसंचार विनिमयक प्राधिकरण) or TRAI (established 1997) is the independent regulator established by the Government of India to regulate the telecommunications business in India

This is the website for TRAI
www.trai.gov.in/Default.asp

Responsibilities of TRAI...

Notwithstanding anything contained in the Indian Telegraph Act, 1885, the functions of the Authority shall be to:

1. make recommendations, either suo motu or on a request from the licensor, on the following matters, namely:
1. need and timing for introduction of new service provider;
2. terms and conditions of license to a service provider;
3. revocation of license for non-compliance for terms and conditions of license:
4. measures to facilitate competition and promote efficiency in the operation of telecommunication services so as to facilitate growth in such services.
5. technological improvements in the services provided by the service providers.
6. type of equipment to be used by the service providers after inspection of equipment used in the network.
7. measures for the development of telecommunication technology and any other matter relatable to telecommunication industry in general;
8. efficient management of available spectrum;
2. discharge the following functions, namely:
1. ensure compliance of terms and conditions of license;
2. notwithstanding anything contained in the terms and conditions of the license granted before the commencement of the Telecom Regulatory Authority (Amendment) Ordinance,2000, fix the terms and conditions of inter-connectivity between the service providers;
3. ensure technical compatibility and effective inter-connection between different service providers.
4. regulate arrangement amongst service providers of sharing their revenue derived from providing telecommunication services;
5. lay down the standards of quality of service to be provided by the service providers and ensure the quality of service and conduct the periodical survey of such service provided by the service providers so as to protect interest of the consumers of telecommunication services;
6. lay down and ensure the time period for providing local and long distance circuits of telecommunication between different service providers;
7. maintain register of interconnect agreements and of all such other matters as may be provided in the regulations;
8. keep register maintained under clause (viii) open for inspection to any member of public on payment of such fee and compliance of such other requirement as may be provided in the regulations;
9. ensure effective compliance of universal service obligations:
3. levy fees and other charges at such rates and in respect of such services as may be determined by regulations.
4. perform such other functions including such administrative and financial functions as may be entrusted to it by the Central Government or as may be necessary to carry out the provisions of this Act:
* Provided that the recommendations of the Authority specified in the clause (a) of this sub-section shall not be binding upon the Central Government:
* Provided further that the Central Government shall seek the recommendations of the Authority in respect of matters specified in sub-clauses (i) and (ii) of clause (a) of this sub-section in respect of new licence to be issued to a service provider and the Authority shall forward its recommendations within a period of sixty days from the date on which that Government sought the recommendations:
* Provided also that the Authority may request the Central Government to furnish such information or documents as may be necessary for the purpose of making recommendations under sub-cla

Answered by Deep , an ibibo Master, at 11:42 PM on January 14, 2009