بسم الله الرحمن الرحيم
As it is haram to take interest in the same way it is also unlawful to pay interest without a dire need. Hadith curses interest based dealing. In case you take loan from the bank you will have to pay interest thus it is not lawful to take interest based loan, you should avoid it. If you could find interest free loan you should avail it, but if you face some difficulty in halal then you should bear it, it shall cause prosperity and blessings in-shaAllah.
Allah knows Best!
Darul Uloom Deoband
This answer was collected from the official ifta website of Darul Uloom Deoband in India.