Suggest that For Final costing and OR Chennai SSR material and ICAI RTP and Suggested Answer are enough and is there to prepare any theory for costing and OR for exam purpose
More than enough...if u have sufficient time for revision...then u can also buy padhuka books for solving standard and quality problems to gain grip...
Yeah...but mostly theory will be asked on the concepts of applying problems that u already possess to do problems and...so no need to strain for that...but u must give a glance for that too...