Hello student cut off vary every year on various factors like level of question in examination seats available and total nunumber of applicants in the entrance examination. It's difficult to predict exact cut off but as per previous year records it's expected that with 276 marks you can get admission in Branch mentioned below -

BE Civil Pilani campus

BE Manufacturing Pilani campus

BE chemical Goa campus

BE chemical and Civil Hyderabad Campus.

For more details refer to the link mentioned below - https://www.bitsadmission.com/cutoffscores2019.aspx

Feel free to comment if you've any doubt

Good luck