Gaurav, 

Yes you can get CSE or Mechanical branch in YMCA based upon your rank. 

Last year closing rank for different branches in YMCA for obc haryana was 

Civil Engineering 104363

Computer Engineering 49975

Electrical Engineering 107991

Electronics and Communication Engineering 74645

Electronics Instrumentation and Control Engineering 150410

Information Technology 53739

Mechanical Engineering 93405

So you surpass the closing rank of any branch in YMCA. 

HOPE IT HELPS.