Cymbopogon coloratus

Cymbopogon coloratus (Hook.f.) Stapf, Bull. Misc. Inform. Kew 1906: 321 (1906) (syn: Andropogon coloratus Wight ex Wall.; Andropogon nardus var. coloratus Hook.f.; Andropogon nardus subsp. glomeratus Hack.);
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S. India, Indo-China: India, Myanmar, Vietnam as per POWO;
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Cymbopogon grass for ID :: MK MAR-004 2016 : 6 posts by 2 authors. Attachments (3)
Please help me to identify this tall grass found abundantly in a open scrubland forest.
Height: more than a metre
Location: Tirupathi RF, AP
Date: 25 Feb 2016
Alt.: 150 a msl

It is Cymbopogon sp.

This could be either of Cymbopogon coloratus or C.caesius.