Hello Ankita,

There are about 70 to 80 seats available in LSR for Masters in Economics. 

Admission Process - 

Merit or Direct: 50% of the total intake shall be filled by direct. Admission of the students of the University of Delhi only, on the basis of merit. This mode is not available to students from other Universities.

Entrance: Remaining 50% of the seats shall be filled through entrance examination and Interview /Group Discussion.

More - https://www.careers360.com/colleges/lady-shriram-college-for-women-new-delhi/ma-economics-course

Hope this helps.