Edelweiss Asset Management Ltd., on Friday launched a short-duration index fund named Edelweiss CRISIL IBX 50:50 Gilt Plus SDL Short Duration Index Fund to capitalise on the favourable interest rate environment, and adding to its growing market share in the passive debt category. The new fund offer (NFO ) will stay open for subscription from January 27 to February 10, 2023, it said in a press release.