Here I am suggesting you me some of the best Institutes for GATE preparation through Correspondence

KNOWLEDGE INFINITY
IIT-JEE, AIEEE, DCE, BITS
(A Complete Solution For School Tutoring & Engineering Entrance Test)
K- 7/B, Lower Ground Floor, Kalkaji,
New Delhi-110019
Phone No: 011-45066319, 9711153336, 9811130500

T.I.M.E. Pvt Ltd.,
95-B,2nd Floor,
Siddamsetty Complex,
Parklane,
Secunderabad – 500 003
Ph:27898194/195.

Kreative Tutorials
IIT-JEE Academy
C- 32-33, 2nd Floor, Amar Colony,
Lajpat Nagar- IV, New Delhi-110024
Phone No: 011-65071994, 9810983379, 9871658107
Email: study@kreativetutorials.com

Engg Solutions:
Shop-Cum-Offices
S.C.O 205 - 227, Udyan Path, Sector 36 D, Sector 36, Chandigarh
09872346666

Brain Tree:
SCO 80-81-82, TOP FLOOR, OPPOSITE FOUNTAIN, SECTOR-17D
Chandigarh

VIDYAMANDIR CLASSES
Plot No. 2 & 3, 1st Floor, Central Market,
Punjabi Bagh(W), New Delhi - 110026.
Phone: 42466725, 42466726, 42466727,
Fax: 25222953

BRILLIANT TUTORIALS
South Delhi:
Brilliant Tutorials Private Limited
50-C, Kalu Sarai (Behind Azad Apartments),
New Delhi – 110016

PT Education Chandigarh Centre
SCO 290-291, II Floor, 32D, Sector 32, Chandigarh, 160030 ‎
0172 508 9202 ‎

FIIT JEE
ICES House, Sarvpriya Vihar,
New Delhi
Ph No. 26515949, 26569493, 26865182,
Fax No. 011 - 26513942

Gateforum Educational Services Pvt Ltd
M-30, Anasagar Link Road , Behind City Hospital
Ajmer, Rajasthan
Phone: 0145-2624888

AMITY
Amity House
E/25, Defence colony,
Newdelhi
Contact: +91-1124336143/44

NARAYANA
Narayana IIT Academy
47-B,Kalu Sarai,
New Delhi-110016
Ph No. 011-46080611/2/3/4