According to the Northampton Chronicle, a minute's applause was held at Franklin's Gardens before the match against Worcester on Saturday.
India's brother Harry tweeted that the tribute was a "lovely touch".
The doctor's daughter was a keen Northampton Saints rugby supporter.
India was found dead after a night out with friends. An inquest heard she died due to pressure on her neck.
Edward Tenniswood, 51, has been charged with her murder and has been remanded in custody. He is due to appear in court on May 27.
After her death Mr Reihana dedicated his career to her.
The sportsman, who is playing for Bordeaux Beagles in France, wrote on Instagram: "I can't believe you have left us India. I will be playing for you for as long as I know."
- nzherald.co.nz