GUWAHATI, Oct 27 � Manoj Gogoi of Assam won a bronze medal in the 28th Junior National Athletic Championship at Lucknow today. Informing this Assam Athletic Association secretary Pradip Nunisa said it was a laudable effort by Manoj as it is not easy to win 100 m medal in any national championship. State athletic body president Rockybul Hussain congratulated Manoj for his achievement.