Who had become the symbol of opposition to the Emergency- rule and was the moving force behind the formation of the Janata Party?

Jayaprakash Narayan.

The correct answer is Option (2) → Jayaprakash Narayan.

Loknayak Jayaprakash Narayan (JP) (1902-1979):  A marxist in his youth; founder general secretary of the Congress Socialist Party and the Socialist Party; a hero of the 1942 Quit India movement; declined to join Nehru’s cabinet; after 1955 quit active politics; became a Gandhian and was involved in the Bhoodan movement, negotiations with the Naga rebels, peace initiative in Kashmir and ensured the surrender of decoits in Chambal; leader of Bihar movement, he became the symbol of opposition to Emergency and was the moving force behind the formation of Janata Party.