Hello Mukesh Gangwal. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

I would like to first congratulate you on passing GATE. Please see here for more information about the cutoffs for PSUs through GATE:

• https://engineering.careers360.com/articles/what-are-gate-scores-for-psu-recruitment

But, I haven't seen the cutoffs for Airport's Authority of India. Nevertheless, please see here:

• https://qualifygate.com/airport-authority-of-india-aai-recruitment-through-gate/
• https://engineering.careers360.com/articles/aai-recruitment-through-gate

Hope this helps you and all the best!