New Delhi: Prime Minister Narendra Modi today addressed a students' convention to mark the 125th anniversary of Swami Vivekananda's Chicago address at the World's Parliament of Religion in 1893. "This year, we are marking 125th anniversary of Swami Vivekananda's Chicago address and Pt. Deendayal Upadhyaya centenary celebrations," the prime minister said in a tweet. The theme of the address was "Young India, New India - A Resurgent Nation: from Sankalp to Sidhhi". The address focused on Vivekananda's teaching in the present day context. He also spoke about importance of cleanliness.The day also marks the centenary celebrations of BJP ideologue Deendayal Upadhyaya. The event was organised by the Deendayal Research Institute (DRI) and supported by the Culture Ministry.