Delhi Water Minister Kapil Mishra on Thursday informed union Home Minister Rajnath Singh said that he got a threat call and urged him to direct the officials to "trace the call and book the culprits". In a letter to Rajnath Singh, Mishra wrote, "Today (Thursday) I got a phone call from telephone number +3844 at 8.48 a.m. on my cell number, wherein a person identifying himself as Pujari threatened me, saying that 'Apni jubaan band rakho varna goli maar denge' (keep your mouth shut else we will shoot you).