Shepherds, who returned to their tent in the forest near Sataun Bridge, consumed liquor after having food last night, DSP Paonta N S Negi told PTI.
Two of them, Ajit Singh and Dharam Singh, took up a fight late last night, the DSP said, adding that Ajit allegedly hit Dharam with a log and stones.
Dharam died on the spot.
He hailed from remote Dodra Kwar area of Shimla district.
On receiving the information, police rushed to the spot and arrested Ajit.