JAIPUR: In order to make the Ghat Ki Ghuni tunnel pollution free, the Jaipur Development Authority (JDA) will be installing twenty high speed ventilation fans. These fans will be imported from Germany.

A JDA senior official said, "After the tunnel will be made open for traffic, it is expected around 2500 vehicles will pass through it everyday resulted in heavy pollution. These fans will work as exhaust fan which will throw the tunnel air outside and bring fresh air from the tunnel inside."