In which year was the Bhartiya Jana Sangh formed?

1951

The correct answer is option (4) - 1951

The Bharatiya Jana Sangh was founded in 1951 by Shyama Prasad Mukherjee, with its lineage traced back to the Rashtriya Swayamsevak Sangh (RSS) and the Hindu Mahasabha. Jana Sangh emphasized the idea of one country, one culture, and one nation, believing that India could progress and become strong based on its culture and traditions. The party advocated for the reunification of India and Pakistan in ‘Akhand Bharat’ & opposed granting concessions to religious and cultural minorities