Bank Nifty Elliott wave update for 22dec 2020 onward

In this 2hour chart of bank nifty from 20405 wave (a or i), (b or ii) and (c or iii) is completed at 24823, 23613 and 30945 respectively.
29214-28144 is support range for wave (iv) and if BN trades below 28144 then only bigger decline is possible.