The in @-@ flight food is catered by TajSATS Air Catering , another joint venture between Tata and a Singaporean company , headed by Chef Arun Batra , formerly the executive chef of the Taj Hotels group . Vistara offer four different meals for each cabin for different time of the day — breakfast , refreshment , lunch and dinner with options of one vegetarian and one non @-@ vegetarian dish in economy class ; two vegetarian dishes and one non @-@ vegetarian dish in premium economy ; and two vegetarian and two non @-@ vegetarian dishes for business @-@ class cabin . The menu is typically changed every seventh day and there are different menus for lunch and dinner . It also provide special meals upon request 24 hours before departure .