Etiquette for a female PhD student to reject her male supervisor's invitation to meet outside of work
While I know India is not the US (or any other country I am familiar with), but some norms should be universal and a student should not have to subject themselves to things outside the norm. Something like


  Dr. Smith, it is nothing against you, but I do not think it sets a good precedent for us to meet under those conditions. Is there a time we can have the meeting at the university?


Now, Dr Smith may get very mad and take it out on you, but if they are the type of person to do that, do you want them as a supervisor, and more importantly, do you want to meet them alone at their home.