Explanation:

- Dr. B. R. Ambedkar:

- He was a prominent social reformer and the architect of the Indian Constitution.

- He actively worked for the rights of the marginalized communities.

- He started the Marathi fortnightly newspaper 'Bahishkrit Bharat' to advocate for social justice and equality.

- Vir Savarkar:

- He was an Indian independence activist and played a key role in the freedom movement.

- Savarkar is known for his advocacy of Hindu nationalism but did not start 'Bahishkrit Bharat'.

- Vinobha Bhave:

- A disciple of Mahatma Gandhi and known for the Bhoodan Movement.

- He didn't have a direct connection with the publication of 'Bahishkrit Bharat'.

- Lokmanya Tilak:

- A prominent freedom fighter and nationalist leader.

- Though influential in Marathi journalism, he was not associated with 'Bahishkrit Bharat'.