Hii Rohit!
Yes. There's a provision to change the language for answering the questions in neet application form. During the time of correction in application forms, which is around 15 January, 2020 you can changed your preferred language option to answer the question paper. For more details you can visit the official NEET website i.e., www.ntaneet.nic.in.
Hope this helps.
All the best!