What a weighted score can and cannot tell you
Comparing offers on CTC alone is easy and usually wrong, because the things that determine whether you are happy in two years - the work, the manager, the hours - do not have a rupee value. A weighted score is a way of making those comparable without pretending they are objective.
The integrity of this tool is entirely in making the weights explicit, adjustable and visible in the result. It does not tell you which offer is better. It tells you which offer wins on the priorities you stated, which is a genuinely useful thing to see written down - particularly when the answer is not the one you expected.