DOTEL/R/2017/80189/1

Dear Sir/Madam, Kindly provide the below information. These are very vital for certain reason.
1- The name of the states where installation of Mobile Towers (Specific 4G Towers) has been banned.
2- The Govt. guidelines/regulations for installing a 4G mobile tower on a roof of a residential house.
3- Is it legally allowed by DoT to install a 4G mobile tower in a residential house
4- What are all health hazard/demerits of installing a 4G mobile tower in a residential area