You should realize that you will have to explain why you left, and that your former employer will never give you a good reference. You will also probably be unable to get unemployment benefits. It is always better to have another job in place before quitting.
If you quit, you are not eligible for unemployment benefits in any state. If you quit without another job lined up, it may take a long time to get a new one as well as look bad on your resume.
He should submit resignation letter in writing to the employer stating the reasons of quitting and obtain No Objection Certificate and Experience Certificate from the existing employer for future use.
Before quitting the job u should know the ways to manage the financial postion untill u
arrange the next job or bussiness and you gather the ideas for the next process both
mentally and financially