| Udham Singh, an Indian revolutionary and freedom fighter, sought revenge for the Jallianwala Bagh massacre by assassinating Sir Michael O’Dwyer. |
| He was bestowed with the title Shaheed-E-Azam by the Indian government. |
| Despite being from a Punjabi Sikh family, Udham Singh sported a clean-shaven appearance. |
| Throughout his life, he went by various names and aliases. |
| After his mother's death, Udham Singh's father relocated to Amritsar with him and his brother. |
| He actively participated in the Ghadar movement and supported the revolutionaries in Punjab. |
| Travelling to different nations, Singh worked for the Ghadar Party. |
| Having engaged in militant actions, he faced multiple instances of imprisonment. |
| Bhagat Singh was Udham Singh's revered mentor and closest friend. |
| In London, he executed the assassination of Sir Michael O’Dwyer as part of his retaliation plan, leading to his subsequent arrest. |
| In 1974, Udham Singh's remains were brought back to India, where he was honored with a martyr's reception. |