Both of them are almost the same but speaking Generally IIT is better.
IIST is best compared to IIT as here in IIST , all practical implementation is done under guidance of scientist of ISRO and as far as Brand is concerned , IIST is equivalent to IIT. Go for IIST .
IIt is 466.38 miles according to Mapquest
IIt is 487.12 miiles according to MapQuest
IIT Delhi IIT Mumbai IIT Kharagpur IIT Kanpur IIT Chennai IIT Roorki IIT Gandhipuram
18 ft
IIt is 131.85 miles according to MapQuest.
Iit is 67.9 miles according to Google Maps.
IIt is 1,449 miles according to Google Maps.
IIt is 26.3 miles according to Google Maps.
IIt is 1,243 miles according to Google Maps.
IIT Kanpur.