If the government has to take that responsibility it will become very difficult for them to manage the issue. As long as the people don't have ethics and morals, no government can ensure fair transactions. The seller who is selling the property will know the details of the land and he should not try for any malpractice. But we the people of India will not bother for these things and our ultimate aim is to accumulate wealth somehow. In such case expecting everything from the government has become the habit for a common man who can't do anything against the people who are deceiving him in all respects.
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease
The registrar's offices in many places break and bend many rules like witness signatures, cash transactions etc. The inter-related offices often stay separate when it comes to their own work and act ignorant about other aspects, maybe they don't want to take an extra headache or if a problem arises in the future, they can claim that it is not their fault and pass the buck to the other office.
So, in India, the onus lies on the buyer finally because everyone will wash their hands off if there is an issue, the buyer has to gather as many documents as possible, pay all the taxes, sometimes vacant site tax an hope that nobody else claims it.