IIT's  or Indian institute of Technology in New Delhi, Mumbai, Guwahati, Kanpur, Kharagpur are the most prestigious Engineering institutions in India.  Other main Engineering colleges include Birla Institute of Technology (BITS) - (Pilani and Ranchi.), Delhi College of Engineering, Delhi., University of Roorkee, Roorkee, Uttar Pradesh etc and the various Regional engineering colleges in different states.   

Details and contacts of the above Engineering colleges can be had from the following link.

http://www.webindia123.com/career/engineering/list_all.asp?subject=civil

Details and contacts of Polytechnics in different states, conducting Diploma courses is available at the following link

http://www.webindia123.com/career/eng_dip/list_all.asp

Details of Associate Membership Examination of the Institute of Engineers (AMIE), which enables working people in the private and public sector, or diploma holders to acquire a Bachelor's engineering degree through distance education can be had from the following link

http://www.webindia123.com/career/correspondence/insteng.html

IIT Chennai and Institute Of Post Graduate Studies And Research, Hyderabad gives MS courses in civil Engineering, through distance education, the basic qualification of which is BE/ B tech in engineering. Click on the following link, check for details under the subhead 'MS in Engineering'

http://www.webindia123.com/career/correspondence/engineering.htm