In which of the following cases the Supreme Court, while laying out the ‘basic structure’ of the Constitution held that the democratic character of the polity was an essential component of the ‘basic structure’?

A

Sajjan Singh vs State of Rajasthan

B

Kesavananda Bharati vs State of Kerala

C

Romesh Thappar vs State of Madras

D

A K Gopalan vs State of Madras