** India's PB Fintech PBFI.NS rises 3.5% to 1,402.25 rupees, on course for second straight session of gains
** Kotak upgrades rating to "add" from "reduce", but lowers PT to 1,525 rupees from 1,600 earlier
** Highlights that PBFI corrected 36% in last three months, but there is no change to high-growth story
** "Remain assertive on PB Fintech's ability to deliver 1.8x-2.0x industry-level growth, with improving leverage driving strong profitability," says Kotak
** Analysts' avg rating on stock "hold"; median PT at 1,604 rupees, as per data compiled by LSEG
** Stock trims YTD losses to 33.5%
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))