Sir Iam Krishna Nandini...sir naku monna tet rasetappudu kanti narallo pain vachchi system chullekapoya..doctor narala weakness tho ala avuthundi tv, system, ph lantivi konni rojulu chullevu chudoddu kuda ani chepparu...ippudu dsc online lo ne undi kada sir na problem ki edaina sol cheppandi sir..helpdesk ku call chesthe kalavatledu...naku scribe allow chesthara sir kani nen visually handicapped kadu kada sir...2 1/2 yrs nundi dsc ki prepare avuthunna ...plz reply ivvandi sir.