Explanation:

Haryana Heroes Martyrdom Day, also known as Shaheedi Diwas, is a significant occasion observed annually on September 23 in the state of Haryana.

This day is dedicated to commemorating the bravery and sacrifices of the freedom fighters and soldiers from Haryana who laid down their lives for the nation's independence and security.

Heroes Martyrdom Day is observed on the day Rao Tula Ram passed away. Rao Tula Ram was a freedom fighter in 1857, where the country's first war of independence took place. Rao Tula Ram passed away on 23 September 1863 due to an infection.

Various cultural and commemorative events are usually organised in towns and cities across Haryana to honour the martyrs. People observe the occasion by offering floral tributes to the freedom fighters and soldiers who sacrificed their lives for the nation. A state ceremony at the war memorial recognizes and celebrates their contributions.

Haryana Heroes Martyrdom Day serves as a reminder of the enduring relevance of the historical events and the responsibility of the current generation to uphold the values of freedom, unity, and justice that the martyrs fought for.