Be Careful My Heart) is an Indian drama television series broadcast on StarPlus from 23 October 2017 to 2 February 2018.

Her mother, Laila Raichand (Niki Aneja Walia), is a sly, ambitious, greedy woman who cheated on her husband.

Saloni Raichand (Cheshtha Bhagat), Ahana's elder sister, is about to be married to her sweetheart, Tarun Gupta (Puneet Sharma).

Tarun's father, Mahendra Gupta (Indraneel Bhattacharya), is not keen on letting them get married since he is aware of Laila's gold-digging tendencies.

Meanwhile, Laila sets her eyes on marrying Anant as he is a rich businessman in order to pay off her debts and increase her social status.

As the story continues Ahana and Anant face many obstacles in their marriage due to the age difference, society, rivalry and family.

Rehaan begins to fall for Ahana, while simultaneously learning that she married Anant just to defy and insult her mother for revenge.

Initially titled as Ishq Gunaah, it was renamed Dil Sambhal Jaa Zara while in pre-production.

[7] Initially Samir Soni was cast as the lead Anant Mathur and had also shot for the pilot episode but was soon replaced by Sanjay Kapoor as the makers felt the former not suitable for it.

[9] On 3 January 2018, a strike in Mumbai by Dalit group affected the filming of the series due to which the shooting was wrapped up too early in morning itself.