MUMBAI, Feb. 17 -- In a security intervention, ahead of Prime Minister Narendra Modi's Mumbai visit, the Bombay High Court on Monday ordered an immediate halt to all construction activity at a high-rise building in Colaba located near the naval air station INS Shikra. The court directed that not a single worker be deployed at the under-construction Jadhavji Mansion from midnight until further orders, noting that the Prime Minister is scheduled to land at the INS Shikra helipad on Tuesday morning. A division bench of Justices Ravindra Ghuge and Abhay J Mantri passed the order while hearing a petition filed earlier this month by the local military authority through its Commanding Officer, alleging that the building stands barely 246 metres from the sensitive naval air station and VVIP heliport, well within the 500-metre restricted zone requiring mandatory clearance from defence authorities. Representing the military authorities, advocate Mihir Rajshekhar Govilkar told the court that the structure poses a "direct threat to national security and VVIP heliport operations." "The building provides unrestricted line of sight. VIP movements are top priority," he said. The petition stated that the Planning Authority granted permissions without obtaining a mandatory No Objection Certificate (NOC) from the Indian Navy, which is required under Ministry of Defence (MoD) guidelines dated May 18, 2011. According to defence authorities, the building has ground-plus-23 floors, creating a direct line of sight into operational and heliport areas. The petition states that despite repeated written objections, the Brihanmumbai Municipal Corporation (BMC) failed to act. "You can't sacrifice the Prime Minister's security just because you want to make money," the bench told the BMC. The matter has been posted for further hearing on February 18....