Implied volatility also has its own characteristic, it broadly moves in a range.
But, before that, there is an index of Implied volatility of Nifty options called India VIX.
One the other hand, if we have the same index is close to recent lows, it is advisable not to Sell options.
It is not difficult to find what the trend is, as being no expert on price analysis also one would be able to see whether the recent bottom has been higher than the previous one along with the recent top being higher than the previous one.