The correct answer is Margao.
Margao is a city in south Goa, India. It is the second largest city in Goa after Panaji. Margao is known for its educational institutions and research centers. The city is home to the Goa University, the Goa Institute of Management, and the Goa Engineering College. Margao is also home to a number of research centers, including the National Institute of Oceanography and the National Institute of Technology Goa.
Ponda is a town in central Goa, India. It is the headquarters of the Ponda district. Ponda is known for its temples and churches. The town is home to the Shri Shantadurga Temple, the Shri Mangueshi Temple, and the St. Francis Xavier Church.
Vasco da Gama is a city in south Goa, India. It is the third largest city in Goa after Panaji and Margao. Vasco da Gama is known for its port and its beaches. The city is home to the Mormugao Port Trust and the Bogmalo Beach.
Valpoi is a town in north Goa, India. It is the headquarters of the Valpoi taluka. Valpoi is known for its waterfalls and its forests. The town is home to the Dudhsagar Falls and the Bhagwan Mahavir Wildlife Sanctuary.