In doubles, the pairs of Sriram Balaji-Ramkumar Ramanathan and Karen Khachanov-Saketh Myneni have been awarded wild cards in the tournament beginning December 30.
Bhambri and Nedunchezhiyan join Somdev Devvarman who had entered the singles draw as a replacement for injured Jurgen Zopp from Estonia.
The strong player field will see World No 8 Stanislas Wawrinka, World No 15 Mikhail Youzhny, World No 16 Fabio Fognini and World No 26 Benoit Paire in the singles event.
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