Dehradun, March 6 -- Ropeway manager Amit Bangwal said that other technical works including track rope shifting, new hauling rope, bearing, hanger work, gear box are being done. In these, the main wire has to be changed every three months and once a year the corrosion of both the ropeways is completely repaired and the parts are replaced. Technical testing of the ropeway is also done from the point of view of safety before the tourist season. After the completion of the technical work, a safe running certificate will be taken from IIT Roorkee. Only after this will the operation of the ropeway be started. Till then tourists will be able to go to Gun Hill only on foot. But it will be difficult for the elderly and disabled people to go this ...