In Infra Vaani, noted urban infra expert Akhileshwar Sahay dissects infrastructural challenges of Indian cities and offers solutions. Two, on March 22, fourth year in a row, Delhi was ranked the most polluted capital city in the world – in 2021 its PM 2.5 was 14.6 per cent more than 2020. Delhi’s woes worsen as DJB squanders 40 per cent …
