By Air - There are direct flights to reach Goa from Delhi. Dabolim Airport is the fastest way to reach Goa from Delhi as it has two terminals - Domestic and International. All domestic daily carriages have daily flights from Delhi, Mumbai, Bangalore, Pune and Chennai etc.
By Train - Nizamuddin Goa Express is easily accessible from Delhi to reach Goa. There are regular trains from Delhi to Margao. Trivandrum Express and Goa Sampark Kranti are also the best options to reach Goa.