No he is not quitting the title is made to attract more readers.
He said - We haven't got tired yet. Personally, I have not worn out playing this character. It still feels fresh, and there's a lot to do with it. Sometimes you obviously feel fatigued and tired but that's merely physical. There never has been mental tiredness. We in fact look forward to going to the shoots
There was a very similar show called R.K. Laxman Ki Duniya. One of the sub-tracks was two young men in the society (one of whom is a dwarf named Mammootty) who are constantly flirting with a girl (different from Jetha-Babita as these two are unmarried). The moment the girl announced her marriage with somebody else, the show came to an end on 29/3/2013*.
*In fact on my 13th birthday! That is the day I started watching TMKOC instead. I officially stopped in December 2015, shortly before Sony Max HD was launched, though I see TMKOC news articles sometimes.