Mumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actress Kalki Koechlin and filmmaker Rajat Kapoor during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Actor Rohan Joshi during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Filmmaker Rajat Kapoor, actors Kalki Koechlin and Shiv Pandit during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Filmmaker Rajat Kapoor, actors Kalki Koechlin and Shiv Pandit during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Filmmaker Rajat Kapoor, actors Kalki Koechlin and Shiv Pandit during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)moreMumbai: Filmmaker Rajat Kapoor, actors Kalki Koechlin and Shiv Pandit during the trailer launch of film Mantra in Mumbai on Feb 22, 2017. (Photo: IANS)more