Insurance charges vary among various courier companies and type of services which you want to avail of .If you want to send parcel on "Owner's risk"  0.3% of product value is insurance charge and that help in claim settlement uptp INR 1000 or product value whichever is lesser . 

"Shipper's risk" insurance charges are 2.5% of product value +Service taxes .This help in claim settlement amount equal to product value depending upon investigation by courier companies .