CA Purushottam Aggarwal Started Providing Face To Face Classes From The Year 2014 In Delhi & Kolkata. he Is a First-Class Graduate With The Qualification Of a Chartered Accountant. He Teaches Cost & Management Accounting Paper For CA / CS / CMA Inter & Final Level. He Is Well Known To Students For His Attractive Tricks For Costing Paper As “Dcp Approach, Red Light Approach”. He Provides Face To Face Classes In Delhi & Teaches Through Satellite In All States Of India. His Costing Theory Calendar Is Very Famous Among Students.