Mumbai: Arjun Kapoor and Kareena Kapoor Khan starrer "Ki and Ka", which released on Friday, has received a good response at the box office while minting over Rs.7 crore on its opening day in India. "Ki & Ka" recorded the second highest opening day collection of the year with Rs.7.30 crore in the country and shows a solid upward trend over the weekend, read a statement. The film registered a 40-50 percent occupancy on day-one, picking up majorly in the evening across main metro cities. Directed by R.Balki, "Ki and Ka" sees Arjun playing the role of Kabir, a house husband while Kareena's character Kia is a career-oriented woman. The movie is about the relationship between the two and how the society sees it.