Hi Ritika,Yes you have to seperaytely apply for Jims Rohini and Jims Kalkaji for its PGDM program.As far as i am aware Jims Rohini has completed its 25 years of excellence in  PGDm program and the placements of JIMS Rohini are also very good...

For more information you can visit website of JIMS Rohini- www.jimsindia.org

Check the college notification for pgdm programme:

https://bschool.careers360.com/news/jims-announces-pgdm-admission-2018

https://bschool.careers360.com/news/jims-kalkaji-announces-pgdm-admission-2018-338504