Well Mohit,
For Group 1:
FR and SFM - Mr. Asim Kumar Jana (Yeshas Academy)
Corporate Law - Mr.Vijaya Raja (Yeshas Academy) Note: Mr. Jayaraman use to take classes at Sampath Academy but has now declined to coach in Bangalore from last attempt onwards.
Audit - Go for self-study
For Group 2:
AMA - Mr.Sampath (Sampath Academy)
QT - Mrs. Malathi Sundar rajan (Sampath Academy)
Direct Taxes - Mr.Jayesh Gupta (Yeshas academy) Note: Mr. T.N. Manoharan also takes refresher courses at Yeshas academy.
Indirect Taxes - Go with best book
Disclaimer: I have no idea about ETEN classes, so I may not be in a position to write something, which I do not know. Also, find out about the faculties at CAPS Academy.
Before joining, any of the classes find out our more information within your friend circle who can give you wise ideas too. Wish you all the best.
Thanks
Sathish