Chakravyuh is the name that represents the preliminary rounds of the contest. The idea is to have every contestant perform in front of a 'Mahaguru' and try for a qualification to round two of the contest. contest vocal test by Milind Dabholkar (Organ-Synthesizer player)
Every week, two contestants from each Gharana were selected to perform in front of the judges and the 'Mahaguru'. Considering that there are four Gharanas, total of eight contestants perform in the first episode of the week. Out of the eight contestants, the top two singers, judged by the 'Mahaguru', qualify for the next round of the competition. The remaining six contestants are then asked to perform again in the second episode of the week, out of which the bottom two contestants are eliminated from the show. The remaining four then advance to the next round.
Read more about this topic: Sa Re Ga Ma Pa Challenge 2009