Incase you are planning to quit your present job or planning to change the job, it’s better to first apply for home loan and then quit/change, otherwise it will get very tough to get home loan later. Or else you can apply for loan by providing your salary details of new employment with Previous Job Salary details and Form 16.If you are sure of getting an increment very soon, You are applying for larger amount of home loan, then wait a bit and apply for the home loan later as it will increase your home loan eligibility.