Actress Athiya Shetty is excited to start shooting for her second film "Mubarakan", but she says she is nervous about working in the comedy genre for the first time. "I am very excited (about the film), but I am also a bit nervous because it is a genre I have never tapped into. It is a second film and it is comedy so I am kind of nervous," Athiya told IANS over phone from Mumbai. "Mubarakan" brings Arjun Kapoor and Anil Kapoor together. The first look of the film was revealed in a very traditional manner with a wedding invitation asking everyone to join in. Arjun will be seen in double role in the Anees Bazmee directorial. The film -- also starring Ileana D'Cruz --is slated to the hit the screens on July 28 next year. The actress might be nervous about the genre, but she is eager to go in front of the camera and ajoin the gang'. "They have started their first schedule and they seem to be having a blast. So, I'm really excited to join the gang,a said Athiya, who made her Bollywood debut with 2015 film "Hero", which was co-produced by Salman Khan. She added: "I am excited to be on the set more than anything else, to be in front of the camera. I feel happiest when I am in front of the camera." Talking about her role, the actress said: "I play role of a Punjabi girl who is simple, but she adds fun, chaos and madness in 'Mubarakan'. I think it is going to be the wedding of the year and everybody is invited." The daughter of Suniel Shetty has associated with an NGO -Save the Children. Now, its fifth anniversary is being celebrated at Phoenix Marketcity, Kurla, Mumbai on Saturday. And she says she has been connected to the cause from childhood. "The cause has been with me ever since I was born. It was formed by my nani and when she passed away she passed it to mum. I have been associated with the children since I was young. I used to visit the school almost every day because it was opposite my school. "So, I have spent a lot of time with these children, I actually know them personally. I have seen them pass their 10 standard exam and all of that so it is a very very close bond," she said.