The 29-year-old actress thanked her fans on her Twitter account.
"Thank you for my 3 million!!! I love you all to bits and pieces!!! Here's to more love and laughter," she tweeted.
Shruti, who had two Bollywood hits this year with "Gabbar is Back" and "Welcome Back", will be next seen in Tamil fantasy-adventure film "Puli" co-starring Vijay and veteran actress Sridevi.
"Puli" hits theatres tomorrow.