You cannot be challenged if your status is set to 'away'.
The timezone is set to 'India Standard Time' which will affect the time set in your calendars and emails.
Challenges expire after 3 days after which it is forfeited and the challenger wins the match.
The challenger cannot challenge more than 5 places above their position.
Max Simultaneous Challenges: Two up, two down
Your challenge will be cancelled if it drops outside of range because of another result.