NMAT

Your NMAT score is average. As an MBA aspirant, you can seek region wise information through google. Looking for B-School in the East, Calcutta Business School is one of the best B-Schools having AICTE/NBA/AIU accreditation. Very few schools are there having all three. However, minimum 50% in graduation is required for applying in CBS. CBS offers a fee waiver of Rs. 1 Lac to 3 Lac as per the graduation results to all the deserving students. It has excellent residential facilities, with Wi-Fi enabled campus. Excellent food quality. CBS offers international study tour in places like Malaysia, Leadership programme in places like Manali, Rural immersion programme and many more which is entirely sponsored by Calcutta Business School. It's a Shri Shikshaytan foundation since 1920 headed by former director of IIM Calcutta. It is a place of excellence.
You can check here the details of the colleges listed region wise that are some best colleges, thank you and best of luck.

Hey Nishith,
One should have minimum 140 marks in NMAT. Now, you cannot take admission in UPES through this score. But the doors are still not closed, give UPESMET which will be conducted on March 11. And, the last date to apply for the same is March 5, 2018. With a good score in that exam, you can get admission in MBA Oil and Gas Management at UPES.
Follow this link to get more information to secure admission in the same branch.
https://www.upes.ac.in/mba-oil-gas-management#admission
Go through this link if you are looking forward to giving UPESMET
https://www.shiksha.com/university/university-of-petroleum-and-energy-studies/exams/upesmet