When the market has closed near flat and the current series future premium goes up a bit, there are million shares added in the slightly out of money 7,900 & 8,000 December series call options. The calls have healthy time value premium of 77.50 and 43.50 respectively, because we still have 24 calendar days for call expiry.
With current Technical Chart formation, it is highly unlikely that Nifty will reach the higher price during the December series. Most likely all these option traders are expecting these calls to expiry worthless. On the other side 7,700 out of money December series Put slides 0.3 Million shares in the open interest. There are no more significant changes in the other Put stick prices.