HGC: Callaway Demo Day by Hamoni_SV | Jan 21, 2016 | Events | 0 comments Callaway Golf India Demo Day on Saturday, 23rd January’16 at HGC! Long Drive Competition to be held from 9:00am-11:30am! Exciting Gifts up for grabs!! Check out the new Great Big Bertha and get ready to discover extra distance in your game!