It will be 25km long.
"The tunnel was proposed in place of the existing Mutha canal, which carries water to rural areas from Khadakwasla dam"
https://timesofindia.indiatimes.com/city/pune/survey-for-tunnel-in-place-of-mutha-canal-completed/articleshow/92643051.cms
The basic survey of the proposed underground water tunnel from Khadakwasla to Phursungi was completed recently.The tunnel was proposed in place of th
https://timesofindia.indiatimes.com/city/pune/survey-for-tunnel-in-place-of-mutha-canal-completed/articleshow/92643051.cms
Survey For Tunnel In Place Of Mutha Canal Completed | Pune News - Times of India
timesofindia.indiatimes.comThe basic survey of the proposed underground water tunnel from Khadakwasla to Phursungi was completed recently.The tunnel was proposed in place of th