Kollywood star Asin Thottumkal and her father Joseph Thottumkal was hospitalised on thursday after a gas leak inside the caravan in which they were taking rest induced attack of breathlessness. A make up man with the group was also hospitalised. All three of them were discharged later in the day. According to reports, Asin, her father and her make up man was found unconscious in the caravan by the team members. They were taking a break in the sets of 'Kaavalkaran' starring Vijay in the lead. The incident happened in Thirumayam near Karaikkal. The team members admitted them in the nearest hospital. Asin accompanied by her father returned to the shoot and completed the day's shoot for the day. It created panic in the set of 'Kaavalkaran'.