Yes, Bajaj has started to develop feelings for Prerna. But he isn’t letting those feelings come in the way of his mission- his mission to destroy the Basu family. He hasn’t been able to forgive and forget what they might have done to him in the past and has thus turned into a ruthless person. But there’s also a good side to him, which he has kept hidden for a very long time because he doesn’t want to portray himself as a nice person. He wants people to fear him, so they don’t trouble him like they did when he was young.
CVs have finally given us a glimpse into his past life. His father abused him😲.