On the upside, the market might try to test 22250, a smooth breach of which will lead the index to 22400-22480. The index could quite possibly just consolidate at these levels throughout the day to hog on options premiums.
On the downside, 22040 will act as a . A gap down would be used to test 22000-21900 but there are high chances of the dip being bought. If the index manages to sustain above 22000 after a gap down, one can look at going long for 22250-22400. Below 21900, the market should take support at 21800.
The expiry range has now shifted to 21500 - 22500 range.