BANK NIFTY: Has already breached all its critical DEMAs and has only its 200DEMA which falls at around 46100 and is acting as the major support. Expect sell on rally till it holds above 47000 comfortably and on a closing basis.On the contrary BNIFTY giving a close below 46000 expect a sharp fall extending to 45500/45000 and below.*(For edicational purpose only)