Vyas puja a ceremoney observed in honour and praise of Sr Vyasadeva, an incarnation of Sri Krsna. Vyasadev appeared in the begining of Kaliyuga ie. about five thousand ago. Untill that time the Vedic wisdom - the vedes which are revealed literatures by God remained in the form of Sruti and Smriti, literally means in memory and passed down in disciplic succession to the makind. Brahma received that wisdom for the first time from Krsna and he passed down to Narad and then so on to Vyasdev. Then Vyasadev thinking that the people of modern era will be very degraded in character, purity and memory or intelligence, he put it down in words, in sanskrit, so that people with less intelligence and memory power can recite and remember the God. Following this deed of Vyasadev, vyas puja cebration became part of Hindu culture. To honour Vyasdeva, disciples of the spritual masters observe the vyasa puja on the appearance day of their guru. Guru actually is the reprentative of Vysadev and expound...