** India's FMCG index .NIFTYFMCG rises 1.3%, set for third straight gain on proposed GST reforms
** Index up 3.6% in three sessions as funds bet lower taxes will boost consumer demand, margins
** Tata MF says GST cut to 5% from 12% on FMCG, processed food would drive volume, pricing gains, and aid festive season demand
** HSBC notes improving earnings outlook as inflation moderates, tax cuts loom
** 13 of 15 FMCG stocks rise on the day
** Colgate COLG.NS jumps 3.6%, while Britannia BRIT.NS, Hindustan Unilever HLL.NS and Marico MRCO.NS gain 3% each
** Still, index down 0.4% in 2025 vs Nifty 50's .NSEI 6% rise
(Reporting by Bharath Rajeswaran in Bengaluru)
((bharath.rajeswaran@thomsonreuters.com; +91 9769003463;))