"I firmly believe that test cricket won't be around in time, because there's only so many teams that can afford to play it", said the Kiwi who is now plying his trade for Royal Challengers Bangalore in the Indian Premier League.
As part of the build-up, top worldwide women players will take part in a Twenty20 exhibition game at Mumbai's Wankhede Stadium later this month.
The BCCI has confirmed the participation of New Zealand captain Suzie Bates and allrounder Sophie Devine, Australia allrounder Ellyse Perry, wicketkeeper Alyssa Healy, medium-pacer Megan Schutt and batsman Beth Mooney. "I think once we do separate it even more, then the skill level of T20 cricket will go to a whole new level altogether". England's Danielle Wyatt, who struck a blistering 124 against India in a record T20I chase in March, will also feature in the match alongside her national team-mate Danielle Hazell, who earned her career-best ODI figures during the ODI series in Nagpur. However, the BCCI has made a start with the exhibition match.
The Indian women's team had a successful campaign in the ICC Women's World Cup in England back in June.
"I firmly believe that test cricket won't be around in time, because there's only so many teams that can afford to play it".
"We are planning to get a women's IPL in place in two to three years", Rai was quoted as saying in News 18.
Diana Edulji, a former cricketer herself and a member of the Committee of Administrators (CoA) claimed the exhibition match was "a small but significant step towards a women's league" and serve as a possible dry-run for a proposed women's league on par with the IPL.
Indian cricket plans to launch a women's edition of the Indian Premier League (IPL) in the next three years.
McCullum, who's part of Royal Challengers Bangalore squad in the ongoing edition of the Indian Premier League, had retired from worldwide cricket back in 2016 and just plays franchise cricket now.
The T20 match will begin at 14:00 IST and will be followed by the IPL 2018 Qualifier 1 at 19:00 IST.