Ans 1) Sayeed akhtar mirza and kundan shah.
Ans 2)Bhanu Authaia for costume design in Film Gandhi of Sir Richard Attenboroghs won Oscar award .In her career spanning 50 year she has received numerous awards, including the Academy Award for Costume Design (The Oscar), for her work in 1982 film, Gandhi, which made her the first Indian to win an Oscar, and also two National Film Awards, in 1991 and 2002.Vanitha Rangaraju is the second Indian woman to win an Oscar.
Ans 3)No Indian film has won an oscar. Three have been nominated for Best Foreign Language Film; Mother India (1957), Salaam Bombay (1988) and Lagaan (2001)
Ans 4)4:3 , 16:9 and 14:9.