The correct answer is option 4, Lala Lajpat Rai. Lala Lajpat Rai was given the title of `Punjab Kesari`, which means "Lion of Punjab". He was a prominent figure in the Indian independence movement and played a key role in fighting against British colonial rule in India. He was a strong advocate for social and political reforms, and was known for his fiery speeches and writings. Lala Lajpat Rai co-founded the Indian National Congress and was an active participant in various freedom movements and protests.

Option 1, Ranjit Singh, was the founder and leader of the Sikh Empire in Punjab during the early 19th century. Option 2, Bhagat Singh, was a revolutionary and martyr who sacrificed his life for the freedom of India. Option 3, Sardar Baldev Singh, was an Indian independence activist and the first Defence Minister of India.