The crossword solution for the term 'Northern Indian City' is AGRA, which is a four letter word. AGRA is a city in northern India located on the banks of the Yamuna River in the state of Uttar Pradesh. It is one of the most populous cities in India and is home to the iconic Taj Mahal, a UNESCO World Heritage Site. AGRA is also known for its Mughal-era architecture, including the AGRA Fort and Fatehpur Sikri.