New Delhi heads to polls on Feb 5 to elect 70-member legislative assembly

India's capital New Delhi will head to the polls on Feb 5 to fill its 70-member legislative assembly. The country's first major vote of the year is expected to be a fierce battle, with the Aam Aadmi Party — which is fighting to retain its grip on power — against the Bharatiya Janata Party and Congress. Neha Poonia reports.