ZIRAKPUR, May 16 -- St Joan's Public School, Green Park Colony, held an interhouse quiz competition for the students of primary section on Wednesday. The topic of the day was 'save our environment' and there were three rounds including question-answer round, flash card round and buzzer round. The team B took lead by 15 points and won the quiz. Lavisha, Manvika, Satwik,Diksha, Ridhi Tejpal and Eleni were declared the winners and felicitated by the Chairperson Shanta Nayyar. Nayyar emphasised on such activities to boost the children's knowledge in all spheres of life....