Hello Chandra Prakash,
Please refer the below link
https://www.google.com/amp/s/university.careers360.com/articles/mgkvp-admission/amp
In this link everything is defined in details.Right from application form details,deadline to eligibility criteria.Generally gap doesn't affect chances to get into ug program but you might face problem during pg program admission or placment procedure.
Hope I cleared your doubt.All the best for future endeavour!!