The arrests were made Monday by Crime Branch officials who found the four persons moving around in a suspicious manner, DCP (Crime) Parag Manere told reporters today.
"Police recovered leopard skin and seven nails from their possession. While the cost of the skin alone is Rs 7 lakh, the collective cost of the skin and nails is Rs 7.73 lakh," the officer said.
The arrested persons were identified as Sandip Sharma (36), Mahadev Vargade (67), Dehu Hamber (42) and Aakash Fage (22), all residents of Raigad district adjoining Mumbai.
All the four were booked under various sections of the Protection of Wildlife Act 1972, he said.