For those interested.
Model A1530*: UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); FDD-LTE (Bands 1, 2, 3, 5, 7, 8, 20); TD-LTE (Bands 38, 39, 40)
source: http://www.apple.com/in/iphone-5s/specs/
For the uninitiated, the last line TD-LTE(40) is the gold...