We haven't been everywhere, but its on our list
sir we were btech students of aditya college of engineering and technology,surampalem .we want to visit SHAR for indusrial tour.so PLEASE give us permission.
You need to get in touch with SHAR for the permission. I am not associated with SHAR. You can read the process and get the sample permission letter from the post https://coveringmiles.com/visit-space-research-center-shar-sriharikota/