Pune: With the motive ‘One small drop can start a ripple’, a school from Pune has started a unique initiate to save water. The founder-director of City Pride School in Nigdi Pradhikaran area asked students to drop the left over water from their respective water bottles in drums while leaving school. The water ‘collected in drums is reused to water plants in school premises or is utilised for school kitchen garden. Around one lakh litre water is collected annually in this manner.