** Shares of Vascon Engineers VASC.NS jump 8.5% to 62.8 rupees
** Stock logs its biggest intraday pct gain since May 15
** The construction firm signs a 5-year Memorandum of Understanding with Adani Infra to act as execution partner under early engagement model
** Co aims to engage with Adani Group on projects contributing additionally equivalent to 30% of Vascon's annual turnover
** More than 25.6 million shares change hands, 6.9x of 30-day avg
** Stock up 19.7%, YTD
(Reporting by Rudra Pratap Singh in Bengaluru)
((rudrapratap.singh@thomsonreuters.com))