@Mehr - She deserves it all. And this is what he is realizing , he for once acknowledged that Nandini is very special. He knows he cannot let anything to happen to her hope. This confusion is not aobut what he should do but for me it means he would do for Nandini. I take it as a sign that he will fight for Nandini because she deserves it . We knew through his actions that it was always about her, he would have assured her hope in any which way but for him to accept and be intune with his actions , i read this as his first step.
It's like he is finally hit by how precious and special Nandini and all of this is unfair on her if he leaves it on Dhruv's will. He is sizing up the fight now and hence the dilberation on Dhruv the buddy.