I think Saurabh takes advantage of being in the good books of the housemates which si why people do not really question him, but he does have a very crassy language and Deepak exposed how he gives so many abuses, but no one has caught through Saurabh's game. Saurabh is a very dangerous person who is different from inside, but portrays someone who he is not.
He always puts Shivashish right under the bus and tries to get the sympathy of housemates that, he is very innocent and Shiv is good for noting,. But, Shiv is a real person who does not even backbite about anyone and is on the face kind of person.
Saurabh was clearly lieing today and he made the gali issue because Deepak was exposing him and he was frustrated, so he wanted to put the entire blame on Deepak for using bad language, but Deepak was right today .It is not necessary that,people who portray themselves as nice are actually like that.
Saurabh told Shiv to quit that day because he did not want him to get exposed,so he putted up an act of respecting women which will make people respect him, but in reality he was trying to do damage control of his image,so that no one questions him.