1) Indian musical instrument 
Shankha (शंख Śaṇkha, pronounced ˈɕəŋkʰə) is a conch shell which is of ritual and religious importance in both Hinduism and Buddhism. The shankha is the shell of a species of large predatory sea snail, Turbinella pyrum, which lives in the Indian Ocean. In Hinduism, the shankha is a sacred emblem of the Hindu preserver god Vishnu. It ...