India men's team captain P R Sreejesh and fast-rising drag-flicker Harmanpreet Singh are the two Indians in contention for awards.
Sardar Singh showed glimpses of his old self but later struggled to make an impact on HIL game against UP Wizards.
Delhi and UP are still favourites to clinch the last two places, but Ranchi Rays still has an outside chance.
Sandeep Singh is now eager to take up the mentor's role for youngsters wanting to master the art of drag-flicking.
A sloppy defence at the heart of the striking circle saw Ranchi Rays concede a field goal when Seve van Ass was left unmarked.
A minute from half time, Parvinder Singh shot over Dabang Mumbai's post as Waveriders went into the breather trailing by a goal.
Six months after Rio heartbreak, Simon Child and team suffer after Florian Fuchs scores in last minute for Mumbai.
Sandeep Singh is only the second Indian player after Dileep Tirkey to have an honorary degree for sporting excellence.
Uttar Pradesh Wizards beat Punjab Warriors to keep their hopes alive for a semi-final spot in HIL.
The Delhi outfit led by Rupinder Pal Singh will go into the game riding high on confidence after victories over Kalinga Lancers and Uttar Pradesh Wizards.
There was intensity in Delhi Waveriders’ display, and they were first to almost every loose ball.
Delhi Waveriders came into the game looking for their second win in the league to keep their hopes intact to stay in contention for the semis.