According to Brics PCG, one can expect a volatile day ahead. A rally will continue only if the index sustains above 12061 (Sensex) and 3488 (Nifty), failing which a decline will be witnessed.Supports will be at 12034, below which the downswing will accelerate.Hurdles for the Sensex today will be at 12150-12198-12307, while supports will be witnessed at 11993-11945-11836.