The deceased was identified as Shinu, a resident of Junaidpur. He was running garment shop in Kasna.
Last night after closing the shop, he did not reach home.
His body was recovered from near Amarpur village under Ecotech police station, they said.
Irate villagers blocked traffic at Dankaur-Sikandrabad road near Kherli canal.
Superintendent of Police (Greater Noida) Brijesh Kumar Singh pacified the mob and traffic blockade was lifted only after he assured them of early arrest of culprits.
Old enmity may be the cause of murder, police said.