Actress Kalki Koechlin lost her ATM card but was lucky enough to get it back, courtesy a stranger.

The actress took to micro-blogging site Twitter to share her joy over a lady's good Samaritan act.

"Forgot my atm in the machine and a woman got it and made the bank call me immediately. Thank you woman. #KindnessOfStrangers," Kalki tweeted Saturday.

The actress has been appreciated for her performances in films like "Shaitan", "Dev.D" and "Yeh Jawaani Hai Deewani". Kalki was last seen in "Happy Ending", which also featured Saif Ali Khan and Ileana D'Cruz.