Can I do anything to safeguard the positions from being squared off during the Intra-day MTM process?
Yes, you can always allocate additional margin, on any open position. Since the Intraday MTM process is triggered when minimum margin required is more than available margin, having adequate margins can avoid calls for any additional margin in case the market turns unfavorably volatile with respect to your position. You can add margin to your position by clicking on "Add Margin" on the "Open Position - FuturesPLUS" page by specifying the margin amount to be allocated further. time you square off your position in that underlying.
Please note there is also an additional tracking tool provided to track your positions on the basis of Trigger Price and LTP. For more details you can refer below FAQs.