"I wish them both the very best. He is a wonderful person. I wish her a happy, long, fruitful marriage," Kajol said at an event here.
When asked if she will attend the wedding, Kajol replied in the negative.
A registration marriage will be held tomorrow in Mumbai, to be followed by a reception in Delhi on October 18.
The couple, who have been going steady for six years, had officially declared their intention to tie the knot in the beginning of 2012 after the release of their film 'Agent Vinod' in March.