Central Board of Film Certification or Censor Board of Film Certification is the regulatory body in India which reviews movies, TV serials, TV ads and various visual content and give it rating or approve and disapprove it.
Rating System of CBFC
Censor Board of Film Certification has 4 ratings for movies -
U - U Rating stands for Unrestricted rating meaning the movie can be watched by everyone
U/A - U/A rating stands for Unrestricted rating under the supervision of an adult as the movie may contain some sensitive content related to violence, language or sexuality. U/A movies are only meant for people older then 12 years old.
A - A Ratings stands for Adult rating and can only be viewed by people of age 18 and over.
S - S Ratings are special ratings which are rarely given to movies which are directed to very specific audience like engineers or doctors.