** India's Salzer Electronics SALZ.NS falls ~10% to 975.20 rupees after Q4 results
** Co's Q4 consolidated profit after tax falls nearly 18% on higher costs
** Stock set for worst day in 15 weeks
** Co says core profit was impacted by higher expenses in their new smart meter business
** Adds, its sees margins reverting to normal range as its smart meter business sees revenue traction in coming quarters
** With session's decline, SALZ trims 12-month gain to 35.2%
(Reporting by Ananta Agarwal in Bengaluru)
((Ananta.Agarwal@thomsonreuters.com))