The correct matches are Vajrai Waterfall- Urmodi river (Maharashtra), Barehipani Falls- Budhabalanga River (Odisha), Dhuandhar Falls- Narmada (Madhya Pradesh), Kunchikal Falls- Varahi river (Karnataka).
Marmagao Port is located at the mouth of the Zuvari-estuary in Goa. It is an important iron ore exporting seaport. It is connected to Karnataka via Konkan Railways.
Odhisha is the largest manganese producing state of India. Odhisha’s manganese reserves constitute 44% of the total reserves and produces 37% of the total manganese ore in India.