NADA SAHIB, Gurdwara Patshahi Dasvin, situated at the end of a narrow spur of soft sandy rocks of the Sivalik foothills, on the left bank of the river Ghaggar, about 10 km east of Chandigarh (30°44`N, 76°46`E), commemorates the visit of Guru Gobind Singh, who halted here while travelling from