Around 30 roads are still blocked for traffic in Dehradun district. Four motor roads of Prantiya Khand, one in Rishikesh, seven in Ckahrata, 12 in Sahiya, four in PMGSY Kalsi and one in PMGSY Mussoorie are among them. Around 30 calls were received at district disaster control room based in Dehradun regarding water logging, collapse of boundary walls, water entering into houses, blocked roads among others over the past 24 hours, said a district control room officer.