As identified in the pilot episode of the series, Avtaar owns his own Electrician company. In "Nikki Did It!", Rohan writes the theme song for a commercial Avtaar made. He cares for his children and, though they tend to butt heads, deeply loves and respects his wife. Similar to Hemani, he seldom finds time to be separated from his four children.
Hemani and Avtaar Singh are both a couple. They married in June 1990, Avtaar was 29 and Hemani was 29. They love each other just as any other couple does. Hemani also trusts Avtaar in taking care of the baby, Nikki, when she is away or goes to the hospital.Himani has a habit of making fun of Avtaar.At times, they both seem to have same level of common sense but mostly Avtaar is more sensible.They both share good a relationship.
Rohan is Avtaar's oldest son. Both of them have a good and strong relationship. Avataar is very proud of his son. Though he thinks that Rohan is childish, he describes him as a good person. He thinks he is kind-hearted and is willing to help anyone selflessly.Avtaar is most of the time worried about Rohan because of his childish behaviour. Himani has said in some episodes that Avtaar was just like Rohan when he was Rohan's age. Even their faces resembled.
Sunny is Avtaar and Hemani's third born. Avtaar is sometimes upset with Sunny because of his naughtiness. Avtaar describes him as naughty, smart, clever, and intelligent. They share a good relationship.
Nikki is Avtaar's youngest daughter. He describes her as "Nanhi si Pyaari si Gudiya" (Cute little doll). Avtaar cares a lot about Nikki as she was their youngest child till Bobby's birth. Avtaar likes to spend a lot of time with her and always saves time to play with her and also makes sure that she is okay in every way.