** Shares of Canadian oil and gas producer Baytex Energy rise 4.9 pct
** Co gets shareholder approval for its planned deal to buy rival Raging River Exploration for C$2.8 bln ($2.13 bln) ** Raging River shares up 5.3 pct, extending a 3-day run; Baytex's U.S.-listed shares gain 4 pct, rising for the 5th straight session ** BTE said it would buy RRX in June, becoming yet another company to bet big on Canada's vast shale reserves ** RRX's market cap is about C$1.2 bln, per TR data ** Including session gains, BTE's Canadian shares up 5.6 pct this year while RRX tumbles 32 pct (Reporting by Medha Singh in Bengaluru)