How is m . p. vijaykumar for accounting standards

Narendra JR (CA Final Student) (123 Points)

17 December 2015  
i have seen in some posts, mostly of them suggested m. p. vijaykumar for fr and ds rawat for as. i want to ask , is m p vijaykumar is not good for accounting standards ? why everyone is suggesting ds rawat for AS ? can i study AS from m p vijaykumar ?