Sify Broadband Customer Care

Hi,
Sir,
i want know your right custome care number. mai bhut paresan ho chuka hu aap ka net lagvakr. mujhse life m agar sabse badi koi galti hui hai to vo hai sifybroadband lagvana. koi achhi sirves nahi customer care ka number lagta nahi. line man phone nahi recive karta.
speed btaker di thi 192kbps pr ati hai 15.2,16.5highest isse uper kabhi nahi aati……
My Cont.no is 91-9258-731-433 I AM A STUDENT FROM B.Tech (C.S)
Dear Sir please tell me what i do now ?