India Post for Windows Phone allows you to track your Speed Post, Registered Post and Parcel Consignments. It allows you to access tracking information and confirm the delivery of your item by using the tracking number assigned to you at the time of Booking.
The India Post also helps you to offline search of any post offices and pincodes in India.

You can find the tracking number on the Postal receipt handed over to you at the Post office Counter at the time of booking.