Greeting people on Eid al-Adha, Prime Minister Narendra Modi on Monday hoped that the festival will further the spirit of peace and happiness in the society. Eid al-Adha, also called festival of sacrifice, is being celebrated on Monday. “My best wishes on the occasion of Eid al-Adha. I hope it furthers the spirit of peace and happiness in our society. Eid Mubarak!.