Get up early in the morning. 
Enjoy the nice scene of sunrise. 
After breakfast go for site seeing. 
If you want you can have your lunch in rural restaurant or come back to the hotel to finish your lunch. 
Finish lunch and take rest. 
Set out again to enjoy the afternoon beauty of Sundarban. 
Finish the dinner and have a sound sleep to be fit for the next day more adventure. 
Check out from the hotel and set out for your sweet home with sweet dreams you have gained from your nice journey.