JAMMU: As per Superintending Engineer Ravi Tawi Construction Circle Jammu, all major canals i.e Ravi Canal and Ravi Canal shall be closed from January 25th, 2017 for carrying out desilting and urgent repair works. All the concerned Executive Engineers have been directed to take up all the closure works immediately and ensure its completion before the recharge of canals for coming irrigation season of Kharief crop.