Kolkata: Actress Rituparna Sengupta during an awareness campaign on "Drink Safe Water" ahead of World Water Day in Kolkata on March 21, 2017. (Photo: IANS)moreKolkata: Actress Rituparna Sengupta during an awareness campaign on "Drink Safe Water" ahead of World Water Day in Kolkata on March 21, 2017. (Photo: IANS)moreKolkata: Actress Rituparna Sengupta during an awareness campaign on "Drink Safe Water" ahead of World Water Day in Kolkata on March 21, 2017. (Photo: IANS)moreKolkata: Actress Rituparna Sengupta during an awareness campaign on "Drink Safe Water" ahead of World Water Day in Kolkata on March 21, 2017. (Photo: IANS)more