The duo tied the knot at a private ceremony here on Saturday.
Later that evening, a grand scale wedding reception was organised by Bipasha and Karan, which was attended by Bollywood A-listers like Amitabh Bachchan, Shah Rukh Khan and Salman Khan.
Many Bollywood celebrities took to Twitter to congratulate the couple.
Here is what they have written:
Priyanka Chopra: Congratulations Bipasha Basu and Karan Singh Grover. I'm so happy for you both. I wish you love, luck and bliss. Always. Here's to Mr and Mrs!
Abhishek Bachchan: Many congratulations to Bipasha Basu and Karan Singh Grover on their wedding. So nice to see you beaming, Bipasha. Welcome to the club!
Shilpa Shetty Kundra: Wishing Bipasha Basu and Karan Singh Grover a happy married life filled with trust, love and friendship. Celebrations.
Madhur Bhandarkar: Bipasha Basu, may god bless you with all the love, care and happiness for years to come. Have a wonderful married life.
Shamita Shetty: Had such a blast last night! Congratulations Bipasha Basu. Wish you all the happiness in the world! You deserve it!
Farah Khan Ali: Another favourite Capricorn of mine. God bless her eternally. Love this girl.
Ramesh Taurani: Wishing Bipasha Basu and Karan Singh Grover a very happy married life. God bless you always.
Vishal Pandya: Karan Singh Grover and Bipasha Basu: May this special day be the beginning of the happiest time of your life!