Hi, u have to do lot of preparation, i feel 120 member is much, why dont u do very small function, as u r recently shifted to pune i think all ur relatives frm outside how will u manage there staying,( its my personal feeling). if so no need to call colony and building people, do your vastu pooja in the morning and keep dinner in the evening giving attention to everyone will be difficult,so u have to

e somebodys help,book the pujari before and planthe menu visit some of the katers it depends on ur budget.