Goa is favorite tourist place of all the age groups in India. Goa has mix christian, Hindu and Portuguese culture. Because of that you can see a variety of archaeological sites in Goa.Goa can accessed via Road, air, train and ship. You can prefer whatever suites you.For me road is best option by which you can see beautiful road and enjoy the complete trip.You should plan you trip to Goa between October to March which is considered to be the season time in Goa. Summers are very hot in Goa so don’t after march.
Yes hotels and lodges are very expensive during the season time. You will get minimum Rs 3000/ day in Goa if you are planning to stay near the beach.
I have tip for you.There is a small place near calangut beach named Tale Gaun. You can easily get a room on rent with a minimum cost of Rs 4000/ month and Rs 4000 deposit.You just need to arrange a bedding and other stuff. This is really a good idea if you planning to stay in Goa for more than a month.
There are many places to see in Goa.Beaches are verty popular like Calangut beach, Baga Beach, Anguna beach, Colva beach, Old Goa Church, Aguada Fort, Chapora Fort, Old lady of immaculate conception church Goa, Museum of Christian art, Donna Pola Point etc.
Goais very famous for its parties. You can enjoy the open shack parties on the beaches but those are not safe during the night because of drunkards. There are many famous club like Titos which are cheap and have good crowd.
Goa is also famous for its casinos. Royal casino is one of the famous in the city.
Goa is a best tourist place with best food and wonderful culture.
Best of luck for your visit