Yes if your nationality is not Indian, Nepali and possibly some other neighbouring countries you do indeed need a visa.
Whether or not you need a visa to visit Goa depends on where you are from. If you live in another part of India you won't need one, but if you're coming from another country you may. Check the Indian regulations regarding visits to India from your country to see what applies to you.
Yes, you need a visa to enter Indian territory.
Do Canadians need a visa to visit germany
Do Jamaican need visa to visit Guyana
Yes Canadians need Visa to visit Rwanda
soon.. jamaican passports holders need visa for Curacao..
Yes the man from China will need a visa to visit the U.K.
do danish citizens need a visa to visit Saipan Nothern Marianas
Yes, Indian citizens need a visa to visit Jamaica.
Yes, Indian citizens need a visa to visit the Maldives.
Yes, Nigerian citizens need a visa to visit Jamaica.
Yes, US citizens need a visa to visit Argentina.