I with L1- Visa working in USA since 4 years and earning $65,000k/annum, How much % tax refund amount will I get if am back to India.

When did you leave the U.S. Are you married or not? How much federal income tax was withheld?

Only based on your answers, it is possible to tell which type of return you must file and your refund amount, if any. Your U.S. Tax Return: The U.S. Visas