Who was the founder of Naujawan Bharat Sabha?

Correct option is D

The correct answer is (d) Bhagat Singh.
 Bhagat Singh was an Indian socialist revolutionary who was born in 1907 in Banga, Pakistan.
 In the year 1926, Bhagat Singh founded the Naujawan Bharat Sabha which aimed to encourage revolution against the British rule by rallying peasants and workers.
 He was hanged in Lahore jail on 23 March 1931, He was just 23 years old.
 In 1928, Bhagat Singh along with Sukhdev, Chandrashekhar Azad, Bejoy Kumar Sinha and others founded the Hindustan Socialist Republican Association.
Facts to remember:
 Chandra Shekhar Azad was another prominent revolutionary freedom fighter, known for his role in the Kakori Conspiracy and other revolutionary activities.
He was born as Chandrashekhar Tiwari on July 23, 1906, in Bhavra village, present-day Madhya Pradesh, India.
 Lala Lajpat Rai, also known as Punjab Kesari, was a prominent leader in the Indian independence movement.
He was born on January 28, 1865, in Dhudike, Punjab, India.