Enraged parents of students of Delhi Public School (DPS) Ghaziabad on Tuesday staged a protest against the hike in tuition fee. Around 100 parents gathered outside the Indirapuram branch of DPS Ghaziabad and shouted slogans against the school management. They said the fee was hiked by over 40 percent from last year and comes to about Rs.1 lakh annually for junior students, which middle-class people cannot afford.