RRB NTPC normalization only god knows

guys here is the marks link for 02/2015 pwd student . only god knows how normalization work . kindly open this link and submit this detail roll no 30152274130861 and date of birth 22/08/1987 . this hold rank one (1 ) in this exam . check yourself . now we can expect same type of normalization in 03/2015 .https://cdn4.digialm.com/EForms/configuredHtml/1181/3790/login.html

geometry ke concept clear karne ke liye best book kaunsi he , hindi me chahiye , if anyone know kindly share information or link