Aurel Stein travelled thousands of miles even in enemy territory and Cunningham traveled extensively in North India. Is that kind of work being done by ISI or the universities? In Western countries, it is the university Professors and students who do extensive archaeological research. Here in India, the universities do not have that kind of funding, you can get a doctorate by collating information from a few books. For research, there has to be dedication.
We can't expect ASI to explore and excavate each and every interesting site
It needs to be decentralized so that the universities in each state can explore the sites in their areas