Urgently require a platelet donor!

Hello everyone, My friend's dad is hospitalised and is in a really critical condition. We have trying to look for a platelet donor within our family and some of our friends but our blood group is not matching. He requires an O+/O- donor. He is currently hospitalised in maharaja agrasen hospital, punjabi bagh. It would be of great help if anyone could come forward or connect me to someone. Thank you!

Edit: thank you so much for the overwhelming response, I am really really thankful to each one of you. We have found the donor for the time being, so I can't thank you guys enough.