I am giving the BS Academy highlights for your reference. Go through it. Here is the detail.

Others use them in a wrong way and misguide the students.
Student-friendly faculty members always available to guide you. Interview preparation by highly experienced faculty members. Full length tests at the end of the course.
Sufficient number of regular (weekly/monthly) tests.
Separate specialised teachers for every section.
Unparalled, uncomparable team of teachers.
Adequate competitive environment among students.
Quicker methods and logical approaches are given. These methods are developed by our team only.

Address:

BSC Publishing Co. Pvt. Ltd.
C-37, Ganesh Nagar, Pandav Nagar Complex, Delhi - 110092
Phone: 65252855, 56