S1 and S6 are given. Find the proper sequence of the middle four sentences P, Q, R, S: S1: The National School of Drama (NSD) was set up by the Sangeet Natak Akademi in 1959. S6: The NSD has promoted Children’s Theatre as well. P: Post admission, the students at NSD are required to undergo training of three year’s duration. Q: The eligible applicants for admission are screened through two stages. R: The objective of the NSD is to train students in all aspects of theatre, including theatre history, production, scene design, costume design, lighting, make-up, etc. S: In 1975, it became an autonomous organisation. The correct sequence should be :