** Shares of VA Tech Wabag VATE.NS up 0.8% after earlier rising as much as 2.7% to 1,285.9 rupees
** Water tech firm bags order for a 45 mln litres/day tertiary treatment reverse osmosis plant in South Indian city of Chennai
** VATE classified the order as 'mega', meaning it is valued more than 10 bln rupees ($108.3 mln)
** Stock set to rise for third straight session
** VATE up 3% for the week, on track to snap three straight weeks of losses
** Avg rating of five analysts is "strong buy", median PT is 1,840 rupees - data compiled by LSEG
** YTD, VATE down about 3%
($1 = 92.3630 Indian rupees)
(Reporting by Anuran Sadhu in Bengaluru)
((Anuran.Sadhu@thomsonreuters.com; +91 8697274436;))