The biggest travel agent on the India-Hong Kong route has pledged greater oversight and stricter health protection rules in a plan submitted to the local government seeking the resumption of direct flights between the two places, which were banned following a spate of imported coronavirus infections.GC Nanda & Sons made the submissions to the Security Bureau on Friday as the two-week ban neared its end at midnight on Monday.Air India has not said if and when its Hong Kong flights would resume…