 Mon choose chalenger sales methadaalajeeni sangrahinchandi 
 chalenger sales methodology anede ammakaniki sambamdhinchina athantha prajaadaranha pondina parisoedhana ,  antardrushti aadhaaritha vidhaanam . 2008  aardika sankshoebham taruvaata ooka parisoedhanaa adhyyanamlo idi krodikarinchabadindi ,  ikda vikretala samuham vaari sahacharulanu adhigamistondi mariyu  CEB loni parisoedhanaa brundam yenduku ardham chesukovaalanukunnaaru .  varu  25,000  mandhi vikrayadaarulalo yea rakamaina athipedda parisoedhana adhyayanaanni nirvahincharu mariyu athantha vijayavantamaina vikretala parapati  (5)  pradhaana naipunhyaalanu kanugonnaru ;
1.  customer ‌ laku vaari vyaapaaram girinchi bodhinchadam 
2.  kompany ,  parisrama ,  patra mariyu vyaktiki sandesaanni tilering cheeyadam 
3.  ammakaala sambhaashananu niyanthrinchadam 
4.  ammakaala sambhaashanhalo nirmaanaathmaka udriktatanu pemchadam 
5.  customer mobilizer ‌ lanu vaari tharapuna vikrayinchadaaniki upayoginchukovadam .
 chaaala vikraya vidhaanaalu sarafaraadaaru utpatthi / parishkaaram yokka lakshanhaalu prayojanalu mariyu saanukuula phalitaalapai drhushti saaristaayi .  chalenger vidhaanam customer ‌ nu parishkaaraaniki nadipinchadampai aadhaarapadi umtumdi mariyu parishkaaramtho mundundi .