Sungai Kinabatangan - also bearded pigs and civets visiting camps at night, orangutans, proboscis monkeys.
Danum Valley CA - orangutans (a lot), Bornean elephants (along the entrance road), giant flying squirrels (at the brige at dusk), Sumatran rhinos (difficult but possible).
Chitwan - also gaur, deer, porcupines etc. at night.
Kanha - also barasinga.
Sasan Gir - lions are actually not that difficult, plus it's a good place for leopards, deer and chowsinga.
Little Runn of Kutch - Indian gazelle, onager, wolf, nilgai.
Corbett NP - lots of deer, especially munjac, tiger, wild boar, sloth bear.
Kaziranga NP - reportedly same stuff as in Chitwan, plus a lot of wild elefants and wild Asian buffalo.