Which among the following statements is correct?

 

a) On 14th January 1972, the Andhra Pradesh High Court Five-Member bench gave a ruling that Mulki rules are Unconstitutional.

b) P.V. Narasimha Rao, Challenged the High Court Verdict in the Supreme Court.

c) on 3rd October 1972 the Supreme Court ruled that Mulki regulations were Constitutional, this ruling was supported by P. V. Narasimha Rao. The Andhra people did not like this and started the “Jai Andhra movement” to separate from the Telangana region.