https://indiatravelite.com/india-hotel/kolkata-hotels
Oberoi Grand Kolkata - At Main city center
Raaj Kutir Kolkata IHCL selections (Boutique Hotel) - Near airport side
Elgin Fairlawn - City Center
Astor Kolkata - City Center.
Rajbari Bawali - 1.5 hour from Kolkata . you may plan stay ther overnight good place to explore.