Argentina held on and made the most of one of the few chances they created in the 63rd minute, when defender Nicolas Otamendi rose high to power home a Giovani Lo Celso corner.
The visitors won 3-0 while India failed to take the few chances that came its way.
It was a cathartic evening for Luis Diaz who, just a few days after Colombia guerrillas freed his kidnapped father, scored twice within four minutes late in the second-half to give his country the upset win over Brazil.
India won 1-0 thanks to the striker's 75th minute strike in Kuwait City.
Australia said on Tuesday it would not be presenting a bid to host the tournament, leaving Saudi Arabia as the only candidate.
Brazil ended the match with no shots on target and suffered their first defeat in a World Cup qualifier since 2015 after going 37 games unbeaten.
Argentina moved top of the CONMEBOL standings after beating Paraguay 1-0 to maintain their 100 per cent record.
SAFF said that once they declared their intention on Wednesday to bid for the tournament, "over 70 FIFA Member Associations from across different continents have publicly pledged their support for the Kingdom."
The Saudi announcement came shortly after FIFA named Morocco, Spain and Portugal as hosts of the 2030 World Cup, with Uruguay, Argentina and Paraguay hosting the opening matches to mark the tournament's centenary.
The 36-year-old Nagelsmann, the second youngest national team coach in their history, signed a contract until the end of July 2024, the DFB said.