In the last three months, the Karachi police have seized 22,000 kilogrammes of gutka.
Over 400 people have also been arrested for selling and producing gutka.
Despite the fact that production and sale of gutka and mainpur is banned, business is still flourishing in the port city.
Related: Police seal two gutka producing factories in Karachi
It is openly available in several areas like Lyari, Korangi and Orangi and users say they can't stop consuming it. We're addicted, they say.
The Sindh High Court directed on October 20 the local administration to continue its crackdown against the sale of addictive substances like gutka, mawa and mainpuri.
On October 1, 2017, the Sindh cabinet imposed a ban on the sale and use of sheesha, gutka and mainpuri.