in functional testing:

we validate each and every functionality in terms of 
changes in objects properties,
calculation domain,
correctness of output,
input domain coverage,
order of functionalities,

we test above domains with BVA and negative secnario.

Hi, I am praveen Saini working as a QE with 4 ys experience.
We are doing manual & automated testing (QTP). I am looking
for change, help me if you find something suitable for me.

thanks

validate each and every functionality in terms of 

changes in object properties
size & type of every input & output object
preventing negative navigation
correctness of output
impact of front-end operation on back end tables contents
order of functionalities