The news was confirmed by Saif's mother and yesteryear actor Sharmila Tagore.
"The wedding will be in October, " Tagore told reporters here.
However, she refused to give away the exact date to the media and said Saif will officially announce it later.
According to reports, the wedding will take place in two stages. The ceremony will take place in Delhi attended by close family members, followed by a star-studded reception in Mumbai.
Earlier, it was reported Saif and Kareena will get married on Oct 16. But Saif did not confirm the date.