On 4th October, 2018 St. Peter's College, started it's Inter house cultural fest 'ETERNIA'. The inauguration of this event was done by Mr. Rhythm Garg recently awarded as the Iron Man on India. Etrernia is an annual feature of the college in which students of all 4 houses participated in various competitions and get points for their respective houses.
English play, Hindi Play, Singing, Essay writing, computer Quiz, Science Quiz, Collage, Debate etc. are various events which are staged in Eternia.