Paes, who stepped in for an injured Greg Rusedski, as the 'legend' of the Punjab team, seemed to ride the wave of home crowd support. He fought back from 1-4 down, using the faster courts at the CLTA to his advantage to level 4-4.
At deuce, while serving at 4-5, Paes and the Punjab team used the free point rule to take the set into the tie-break.
Paes and Bruguera had started the evening on a nostalgic note, as they spoke about sharing the podium at the 1996 Atlanta Olympics.
The Indian had won the bronze while Bruguera went home with a silver.
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Punjab Marshalls' fell further behind as the pair of Paes and Garbine Muguruza went down 3-6 to Tommy Robredo and Alize Cornet.
Mumbai's mixed doubles pair turned in a professional, solid performance, leading from start to finish to put their team in a strong position after two sets.
The players were given a raucous welcome as 'dhols' and whistles echoed in the arena.
Punjab and Mumbai had both lost their opening matches to Delhi Dreams.