Mumbai has introduced a "spit inspector" to fine those who share their saliva in public. Many people spit after they've had paan (a mix of betel nut and areca, and sometimes tobacco - which is chewed but not swallowed). This produces a reddish stain which can be seen on the side of many white walls. It's common to see "do not spit" signs in taxis, on the back of rickshaws and on the front of buildings. But there's concern the falling phlegm is responsible for the spread of tuberculosis. There's even an anti spit campaign in the country.
Another great thing is...
Mumbai has introduced a "spit inspector" to fine those who share their saliva in public. Many people spit after they've had paan (a mix of betel nut and areca, and sometimes tobacco - which is chewed but not swallowed). This produces a reddish stain which can be seen on the side of many white walls. It's common to see "do not spit" signs in taxis, on the back of rickshaws and on the front of buildings. But there's concern the falling phlegm is responsible for the spread of tuberculosis. There's even an anti spit campaign in the country.