Help me to make my carrier Plz?

I am a 12th cl student with PCM.i am filling engineering forms nowadays.i bought a WEST BENGAL - JOINT ENTRANCE EXAMINATION ( WB - JEE ) form and send it.its exam date is on 19th april 2009. NEXT yesterday i bought a engineering form of VELLORE INSTITUTE OF TECHNOLOGY (VITTE) and found that its exam date is on 18th april 2009.Now i don't know how to give both the exam on respective dates as WB - JEE exam will be somewhere in west bengal(i do not know where AS IN THIS FORM WE DONT HAVE TO GIVE ANY CENTER) and if i give the CENTER OF VITTE as kolkatta then also i wont be able to reach in time if the center of WB - JEE is not there.What should i do now ?