Udhampur, July 04 (ANI): Prime Minister Narendra Modi flags off the first train to Katra, which is the base camp of Hindu pilgrimage of Vaishno Devi, from Udhampur district in Jammu and Kashmir on Friday. Security has been tightened, with 2300 officials having been deployed along the Srinagar-Uri route in order to avoid any untoward incidents. Authorities have also imposed curfew in old Srinagar city to avert protests or rallies by the separatists. Later, Modi will fly to Uri district to inaugurate a 240 megawatts hydro-power plant in border town of Uri. Meanwhile, Separatists have called for a shutdown in Kashmir over the PM_s visit.