To add more quality in its computer teaching, the Delhi Public School (DPS) Dehradun has decided to enter an agreement with Microsoft limited, said the Principal of the school BK Singh while addressing newsmen here on Tuesday. He said that the school has also entered into an understanding with leading sports promotion company Edusport for introducing the modern concepts in the field of sports. The Director of the school, Vatsala Singh said that the school would celebrate its Annual day on October 27 and 28. The chief minister of Uttarakhand Harish Rawat would be the chief guest at the annual day function. She disclosed that the school would organize a science quiz on November 19 in which more than 150 schools of state would participate.