Hi Rashmi and Vinita,
You could probably be in touch with the ITES department of NASSCOM to get the latest updated list. For your reference a few of the names are given below:
RT Outsourcing Services Limited
Specialisation: IT Help Desk, Technical Support, Web Support for Softwares and BPO.
Balwas e-com India LtdSpecialisation: Medical Transcriptions, Call centre, Animation, CAD/CAMLocation: Mumbai
Barry-Wehmiller International Resources Pvt LtdSpecialisation: Web Page Design, Content Development, Data Processing, Engineering & Design Services, Website ServicesWebsite: http://www.bwir.comLocation
Bharti TelesoftSpecialisation: Call CenterWebsite: http://www.bhartitelesoft.comLocation: Chennai
Brigade Corporation India Private LimitedSpecialisation: Call centre, Support centre, Customer Contact centreWebsite: http://www.brigade.com
Brijlaxmi Infotech LtdSpecialisation: Medical Transcriptions, E-LearningWebsite: http://www.brijlaxmi.comLocation: Baroda
Computer Generated Solutions Inc.Specialisation: Network Management, Online EducationWebsite: http://www.cgsincindia.comLocation: Bangalore
Consolidated Futuristic Solutions LtdSpecialisation: Back Office Operations, Call centreWebsite: http://www.cofuture.comLocation: Gurgaon
Cool Reservations Pvt LtdSpecialisation: Website ServicesWebsite: http://www.coolres.comLocation: New Delhi
Cyber Initiatives (I) Ltd
Specialisation: Back Office Operations, Engineering & Design / Supply Chain, E-Learning, Website Services
Website: http://www.cyberinitiatives.com
Location: Ahmedabad
Data Infosys Ltd
Specialisation: Website Services, Telecom infrastructure
Website: http://www.datainfosys.net
Location: Jaipur
First Ring
Specialisation: Call centre, Customer Care Outsourcing, Support Services, Telemarketing, Back Office Operations, Website Services
Website: http://www.firstring.com
i2 Technologies India Pvt Ltd
Specialisation: E-Business Services
Website: http://www.i2.com
Location: Mumbai