Yes you can give the exam. You can check the IIFT exam eligibility below:

• Candidates must have a three-year bachelor’s degree from a recognised Institute
• Candidates who are in their final year of graduation can also apply. They have to submit certifications of their last semester to prove they are graduating in the current year.
• According to IIFT 2018 Eligibility Criteria, there is no age limit for candidates, meaning candidates of any age can take the IIFT entrance examination.

Rest IIFT details and eligibility criteria you can check here.

Good Luck.