In KV and Dipika's case, they were in the middle of a task and giving their best. It's possible that accidentally he may have touched her inappropriately, but Deepika already clarified that he didn't. So that's not even something we should discuss.
Coming to Romil, he's an extremely tall guy, and he's hugging a much shorter woman. It's not a comfortable scenario, and it's possible he touched her inappropriately. But it was clear that that wasn't his intention. Megha was uncomfortable and it's understandable, but she behaved very mTuredly and understood the intention and didn't make an issue.