regarding incorrect of Hindi name in my b.tech degree

sir during fill up of mains application form of BPSC exam, there is required for copy of degree but in my graduation degree my Hindi name by mistake is अविनाश कुमार सिंह instead of अवनीश कुमार सिंह while my English name AVANISH KUMAR SINGH is correct as well all other dociments are correct...what should I do . ..is affidavit need. ..?