Hello applicant,

* For company secretary preparations the best coaching centers are :-

1. SuperProfs

2, ACE Tutorials

3. Edu-Ex    Delhi

4. Superprofs Blog

5. Vignan ca institute

6. Takshila Learning

* Also  there are many  offline coaching institutes available for CS, the number of online coaching remains low .However due to this pandamic most of the  institutes are keeping online coaching .

Hope it helpful