The Commission also revealed that three of the deceased were minors at the time of death.
Kerala will take on Plate Group toppers Nagaland in the pre-quarterfinals at Surat on Thursday.
The 51-year-old David, who played four ODIs for India, has been suffering from kidney ailment for the last few years and underwent a surgery last Wednesday.
In the final on Sunday, the Thunderbolts won 15-13, 15-10, 15-12.
In Sunday's final, the Thunderbolts will take on Ahmedabad Defenders.
The Defenders won 15-13, 15-12, 9-15, 15-12 against Hyderabad Black Hawks.
The Blue Spikers,whose exit was already confirmed, lost 15-13, 11-15, 13-15, 8-15, 15-10.
The Blue Spiker lost 14-15, 14-15, 15-11, 15-14, 10-15 to Ahmedabad Defenders in Hyderabad on Tuesday.
The Blitz ended their campaign on a high with a 9-15, 15-12, 15-13, 15-9, 12-15 victory.
Ahmedabad's Malayali player Shon T John was adjudged player-of-the-match.