Olympic champion Neeraj Chopra has expressed his disappointment at losing out the opportunity of leading the country as flag bearer at the opening ceremony of Birmingham Commonwealth Games on Thursday after he sustained a "minor" groin strain during his historic silver medal-winning campaign at the recent World Championships.

The 24-year-old superstar was all set to defend his title in Birmingham, but pulled out of the multi-sport event after his medical team advised a month's rest after MRI scan showed a minor injury.