Nifty major downfall awaited

Mighty Nifty 50 21 k last week advanced given target on Sunday achieved successfully so this week our target will be 20000 as per option chain

Major call open interest-21000 Resistance(66.27 L Contracts)
Major put open interest-20000 Target and support(59.14 L contracts)

So this week Nifty 50 will fall 1000 points so our target is 20k and major resistance is 21k so trade accordingly.