One div's checkbox input affecting another div's checkbox input

I am using basic HTML to create two different divs, each having some checkboxes as options.(Basically I'm creating a test module). I have checked some checkboxes of the first div. Now, when I go to the second div, and click on the text i.e the label of some checkboxes, the corresponding checkboxes of the first div are getting unchecked. This should not happen. Please help me out