Train 18 - तेरी प्यारी प्यारी Livery को किसी की नज़र न लगे

friends i have my exam on 17 dec morning 8am bhopal,i am planning to leave hyderabad on 15 dec night by dakshin exp 12721 from secunderabad which will reach bhopal at 4 pm in the evening of 16 dec .so is this a wise decision or should i leave hyd on14 dec.i am asking all these due to the fog conditions.do i need to take one extra day due to fog.please reply.

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