Hi Ankit, the cutoff varies every year based on various factors like number of test takers, number of seats available, difficulty level of exams etc. However the previous year cutoff for different streams for general category is, 

Architecture and Planning - 47.58 

AHEC - 27.49 

Chemical - 40.96 

Civil - 55.11 

Earthquake engineering - 27.49

Electrical - 54.56 

Ece - 53.54 

Cs - 56.34 

Hydrology - 48.76 

Mechanical - 72.47 

You can refer to this link below, to get the detailed cutoff list for various streams for various castes in previous years, 

https://engineering.careers360.com/articles/gate-cutoff-for-iit-roorkee