You can go to visit sandakpu you will love it.
tiger hill, toy train batasay loop, zoo, chawrasta, nightangle park , tea garden are primary attractions of Darjeeling
Cafes (do the research on web)
Sunrise at Tiger hills Do not miss the zoo , the animals are really healthy , you’ll get to see Red Panda, panther , lion, hyena etc.
Mirik Lake is amazing too including the route to Mirik and ofcourse Tea Gardens are really beautiful. For photographs and more information related to Darjeeling you can check me out on Instagram - MyBohoVoyage.