GUWAHATI: The State unit of BJP (Bharatiya Janata Party), on Monday, celebrated the party’s 40th Foundation Day. On the occasion, Chief Minister Sarbananda Sonowal paid tribute to Syama Prasad Mukherjee, Pandit Deendayal Upadhyaya and Atal Bihari Vajpayee, at his residence. The BJP Headquarters had a small scale celebration with a flag hoisting ceremony by President Ranjit Kumar Dass. He also paid tribute to the above mentioned leaders. Talking to the mediapersons he said that due to coronavirus, all the BJP workers will have to work extensively for the nation.