Is there an income limit to qualify for federal student loan provided by U.S. Dept of Education?

No, there's no income limit to qualify for *federal* student loans provided by the U.S. Department of Education. However, your income (and your parents' income, if you are a dependent student) will be considered when determining your eligibility for financial aid, including federal grants and work-study. The amount of federal student loans you're offered might be influenced by your demonstrated financial need, but you can still borrow federal loans even if you have a high income. The maximum loan amount you can borrow is determined by factors like your year in school, your dependency status, and the cost of attendance.