Though I decided to focus on only one instrument and one strategy, I still implemented a Calendar and Credit spread in the Nifty (in addition to the Calendar in the Bank Nifty). I also sold some naked lots. shows the capital requirement at Rs. 1.24 Cr though it appears to be lesser in Zerodha.
(https://zerodha.trade/zerodha-uploads/nifty-strategy.png)
The Calendar required hectic adjustments to cope with the plunge. It yielded a gain of Rs. 2.9 Lakh. The naked Calls also yielded handsome gains.
(https://zerodha.trade/zerodha-uploads/Bank_Nifty_Calendar_111121.png)