Monitoring is the key here. As of today, innumerable illegal smelting units exist. Checking and monitoring them, ensuring adherance to the rules will be a a Herculean task for the authorities. All of the 60,000 metric tonnes which is currently smelted illegally. Standing in a vaccum The rules talk of monitoring pollution, implying the presence of enforceable standards to compare transgressions with.
Monitoring is pointless in a vaccum of comparative data.
In India, there are no specific standards for emission of lead in the air, except in the state of Maharashtra. But the fact remains that such a mark is not compulsory. The ambiguity persists. Tentative though it maybe, it is a positive move by the government. The rules mean well.