shimla the alignment of kandaghat tunnel on the shimlakalka fourlane project has not been changed but a proposal to extend its length is under consideration informed himachal pradesh public works minister vikramaditya singh to the assembly while replying to a call attention motion moved by bjps satpal singh satti on mondaythe minister said a water body has emerged on one side of the tunnel due to which the nhai has decided to increase its length by 207 metres it would cost an additional rs 50 crore and the matter was under consideration at the nhai headquarters almost 72 work of the fourlane stretch between solan to kaithlighat has been completed and the work is estimated to be completed by january 2 2024 he added while moving the resolution satti had asked how much additional cost would be incurred for changing the alignment of this tunnel and who was responsible for it tnn