Winston Peters is accusing National of discriminating against Indian citizens in the Indian free trade deal - a shocking about-turn from earlier criticism.
The NZ First leader previously claimed the deal would lead to open-slather immigration.
But he now says National's abruptly changed course by tightening immigration settings against Indian citizens.
Newstalk ZB senior political correspondent Barry Soper recapped the debate further.
LISTEN ABOVE

Enda Brady: UK correspondent on the UK's air traffic control head being under pressure to quit following recent glitch
04:17

Sam Dickie: Fisher Funds expert on the AI researcher quitting Anthropic and warning of the tech's risks
04:22

Jamie Mackay: The Country host on the market volatility potentially impacting red meat sector
04:21