The correct options are
A Deodar
B Chestnut
C Maple
With an average height of 1200 metres, the Siwaliks is located in the south of the Himachal range. The vegetation varies as the altitude increases. At 1000 to 2000 m, trees such as oak, chestnut and maple are seen. Coniferous trees such as deodar, spruce and pine are majorly seen at altitudes above 2000 m.