Who are the best teachers for ipcc ?

Shivam (student) (82 Points)

29 December 2013  

Friends! I want to join coaching classes for IPCC level. Please help me reviewing following teachers (if you have studied from them or know them) .
Law- Amit Popli
Tax - Vikram Biyani
Cost - RK Mehta
FM - Mohit Jain 

You can suggest other teachers as well .