**Shares of india's energy to telecoms conglomerate Reliance Industries Ltd rise 2.6 pct to their highest since April 2015
** Stock top pct gainer on the NSE index
** Co reports on friday better-than expected 18 pct rise in Q1 profit on higher margins from its core refining business
** Reliance says it will launch 4G wireless services commercially in the coming months
** "We believe structural revival in downstream margins and conclusion of mega capex programme ($40 bln) will double earnings over next five years," Edelweiss analysts say in a note