As you have asked about the address and contact details of the IIT Delhi, see below for it

Contact details:
Indian Institute of Technology Delhi
HAUZ KHAS, New Delhi-110 016, INDIA
Phone: 011 2659 7135

B.Tech. in Biochemical Engineering and Biotechnology
B.Tech. in Chemical Engineering
B.Tech. in Computer Science and Engineering
B.Tech. in Civil Engineering
B.Tech. in Electrical Engineering
B.Tech. in Electrical Engineering (Power)
B.Tech. in Electrical Engineering (Power and Automation)
Mathematics & Computing
B.Tech. in Mechanical Engineering
B.Tech. in Production and Industrial Engineering
B.Tech. in Engineering Physics
B.Tech. in Textile EngineeringB.Tech. in Biochemical Engineering and Biotechnology, and M. Tech. in Biochemical Engineering and Biotechnology
B.Tech. in Chemical Engineering, and M. Tech. in Chemical Engineering
B.Tech. in Computer Science and Engineering, and M. Tech. in Computer Science and Engineering
B.Tech. in Electrical Engineering, and M. Tech. in Information and Communication Technology
B.Tech. & M.Tech. in Mathematics and Computing
Integrated M.Tech. in Mathematics and Computing
D.I.I.T (Naval Construction) (for candidates sponsored by the Indian Navy)
PG Diploma in Metro Rail Transport: Technology and Management (candidates sponsored by DMRC)
M.Sc. in Chemistry
M.Sc. in Mathematics
M.Sc. in Physics
Master of Design in Industrial Design
M.B.A. (with focus on Management Systems)
M.B.A. (with focus on Telecommunication Systems management)
M.B.A. (with focus on Technology Management) (part-time and evening programme)\
Master of Science (Research): M.S.(R)
Master of Technology (M.Tech.)
Ph.D