1. homestay is similar in concept to that of a bed and breakfast. Guests are either accommodated in the family home, or in separate quarters nearby. Nowadays, most homestays provide their guests with just as much comfort as a reputable hotel.
Thus it can be considered as a commercial activity, however it would be advisable that you obtain permission from the dissociation to let out your flat for this purpose.
2. This is not similar to letting out the flat on rent for which you need not obtain permission from the RWA, since it attracts commercial activity and the jealousy of the neighbors, you may better obtain permission in writing.
3. You cannot justify your action by quoting such issues of profits to government, you may have to follow the due process of law in this regard in order to be safe and secure on your proposed activity.
4. If they have been appointed by the RWA and have been authorised to maintain the entire complex, they may but they do not have any authority to stop entry of anyone other than the residents on their one without being instructed to do so.
5. The RWA cannot disconnect the services meant for basic amenities, you can obtain a stay order agaisnt their threats provided they give it in writing, you first tender an application seeking their permission to allow you to let out your property for homestay purpose.
6. You cannot take shelter under this concept until and unless you have not followed the due process of law for running this activity in a residential area.
7. You cannot be stopped by anyone to take any such decision which you consider to be beneficial to you.