Kituu knows everything) is an Indian comedy-drama series that aired on Sahara One from 14 November 2005 until 6 April 2007.

The show was based on the story of a middle class girl, Katyayani Purohit who fights her way out through a rather different path in an attempt to balance her family and professional life.

When other girls are busy planning their husbands and their trousseaus, Kittu is forced to bring all her resourcefulness to the fore in saving her family from potential ruin and a lifetime of debt.

Kittu guessed Rohan to be rich at first sight but Rohan exchanged clothes with his friend who used to wear lil bit middle class clothes and sometimes he even used to buy middle garments sold on the road for Kittu to love him.

Kittu's mom is very happy her daughter is getting married in a very nice family but one day Rohan's mom sends a saree as a token through a driver at Kittu's place but when Kittu knows this, then she goes and returns the saree at Rohan's and says her mom that she doesn't like the design, then will give her designs to a tailor in her colony itself, belonging to low class.

Thus, bidding farewell and left from there... Rohan is hurt but plans to take her up for dinner at night that day !

That day Yuvraj gave the responsibility of taking the interview of Munna Babu, the indecent politician to Kittu!

Kittu made her researches before the interview but Yuvraj scolds her for not having enough information about Munna Babu's wife Mala.

Kittu is born to be successful, and with her determination she climbs up the corporate ladder and becomes a household name in the field of electronic journalism.

And to pursue her fields of work, she even reject a lover, the scion of a millionaire family, on realizing that he fails to understand her when it comes to her profession.

However, as the story moves on, Kittu falls in love with a guy from the news channel, Yuvraj.

But, once successful in her field she is torn apart between Yuvraj, a divorcee with a child and Rohan, her ex-lover who comes back in her life after a failed marriage.

Kittu does an investigation concerning a stealth aircraft and Rohan gets trapped as the one who tried to bribe the officials.

The truth is finally revealed and before the police can arrest Samaresh Gupta, he commits suicide.

NNN, which became a respectable and famous News Channel, soon finds itself under financial crisis.

In order to save the company, Balraj Sir decides to lay off half of the staff and later even convince Yuvraj, Kittu and Daksha.

However, Kittu although being employed since much shorter time than others, her job stays intact as she is considered to be one of the backbones of NNN.

The story takes a major twist when Nandini (Rohan's ex-wife) comes back after so long.

So, Kittu broken-heartedly tells Rohan to marry Nandini and take care of the child (Pihu).

That happened when Kittu, the loyal girl, went to save a woman who was sitting next to her husband's pyre.

The woman's little boy set fire in the pyre and Kittu went to save her which she was half burnt completely.

Hearing this, Rohan was totally shattered and promise that he will not interfere in Kittu's life.

When he played the CD, Rohan and his mother were shocked to see that Nandini confessed all her crimes due to a drunkard situation in a party.

Rohan pretended to have lost his memory as he didn't want the ruffians to get the CD.

Rohan and Kittu promise to do not marry until they do not find the illegal activities in the city.

The lead character Rani from Woh Rehne Waali Mehlon Ki made a guest appearance during the launch episode of the series.