shashank,You have out different additional price from admin which has add or deducted from main price on basic of variance selection.This price is not calculated as product main price. Goto your admin>catalog>Manage Product select any configurable product and goes it Associated Product tab >here you can set additional price for variance wise. Which is show on product price.Shows when you have cart a configurable product.Using json code and javscript magento is set price with variance wise frontend UI

shashank,You have set different additional price from admin which has been add or deducted from main price on basic of variance selection.This price is not calculated as product main price. Goto your admin>catalog>Manage Product select any configurable product and goes it Associated Product tab >here you can set additional price for variance wise. Which is show on product price.Shows when you have cart a configurable product.Using json code and javscript magento is set price with variance wise frontend UI