Hello Vaishnavi. 

As you scored 66/150 it is a bit different to get a seat in any branch in Symbiosis that to admission into top Universities like Symbiosis Pune, Symbiosis Hyderabad, Symbiosis Bangalore, etc. With your score their is mostly no scope but still give a try apply for the University and test your luck. 

Hope this helps you.

Thank you.