Chennai: The Department of Posts (Chennai City Central Division) will conduct a ‘design a stamp’ contest at 10 a.m. on Friday at Shree Padmam Wedding Hall on Radhakrishnan Street, T.Nagar. Participants will have to submit original designs, a release said. The top three prizes comprise cash awards of Rs.10,000, Rs. 6,000 and Rs.4,000. There was no entry fee and students could choose ink, water colour, oil colour or any other medium. They were required to bring any type of paper that is A4 sized.