India Post is the agency of Government of India. The Department of Posts functioning under the India Post, is a government operated postal system in India; it is generally referred to within India as "the post office".
How to calculate volumetric weight of Parcels :
Calculate Parcel Length x Breadth x Depth in Centimeters and divide it by 6000
(Note: Some Courier Companies have currently started dividing by 5000.)
Calculate Parcel Length x Breadth x Depth in inches and divide it by 366 .