Sarita Pravah' a unique philatelic event , has been conceived to commemorate The First Zonal Philatelic Exhibition of Uttar Pradesh and Uttarakhand Postal Cirles . Rivers are the common thread touchin and joining two states.And , What better way to commemorate the shared heritage of Uttar Pradesh and Uttrakhand than to traverse the course of the two great rivers Ganga and Yamuna from their origin to their confluence at Sangam In Prayag.'Sarit Pravah' involves posting of a limited number of Picture Postcards at selected Post Offices located on Important places on the banks of the two rivers . The Picture Postcards are limited to 500 and are issued by Deparment of Post and cancelled with special Postmark . The Scan copy of department Certificate of Authenticity carried with each card.