What is the expected cutoff? How was the cutoff in the last few years?

GATE cutoff 2018 :
(Paper name,  Paper code,  General,  OBC(NCL),  SC/ST/PwD)
1. Aerospace Engineering AE  34.430.922.9
2. Agricultural Engineering AG  2522.516.6
3. Architecture and Planning AR  43.939.529.2
4. Biotechnology BT  27.925.118.5
5. Civil Engineering CE  26.924.217.9
6. Chemical Engineering CH  37.83425.1
7. Computer Science and Information Technology CS  2522.516.6
8. Chemistry CY  25.422.816.9
9. Electronics and Communication Engineering EC  2522.516.6
10. Electrical Engineering EE  29.126.119.4
11. Ecology and Evolution EY  49.344.332.8
12. Geology and Geophysics GG  32.429.121.5
13. Instrumentation Engineering IN  37.133.324.7
14. Mathematics MA  29.426.419.5
15. Mechanical Engineering ME  34.731.223.1
16. Mining Engineering MN  4540.530
17. Metallurgical Engineering MT  40.336.226.8
18. Petroleum Engineering PE  39.835.826.5
19. Physics PH  2926.119.3
20. Production and Industrial Engineering PI  3228.821.3
21. Textile Engineering and Fibre Science TF  32.228.921.4
22. Engineering Sciences XE  31.528.321
23. Life Sciences XL  29.926.919.9

GATE cutoff 2017 :
(Paper name,  Paper code,  General,  OBC(NCL),  SC/ST/PwD)
1. Electronics and Communication (EC)  25.0022.5016.60
2. Civil Engineering (CE)  28.7025.819.10
3. Electrical Engineering (EE)  25.2025.2016.70
4. Mechanical Engineering (ME)  32.872921
5. Computer Science & Information Technology (CS)  2522.5016.60
6. Instrumentation Engineering (IN)  34.6031.1023.00
7. Chemical Engineering (CH)  44.3039.8029.50
8. Biotechnology (BT)  38.9035.0025.90