After going through the grinding of Tactics Solving at Intermediate Level, students enter the Advanced Batch after spending a year or more with Chess.
Chess is a never ending and all exhaustive subject to learn, so there is no specific duration for Advance Level to get completed. It goes on in batches of 3 months per level.
All areas of Chess like Attack and Defense, Classical games of Grandmasters and World Champions, Positional Play, Opening Preparation, Endgame Theory are learned and mastered by the students. Those who want to pursue chess seriously can make the most of the syllabus taught in Advance Level.