Kollywood flick Mounaguru starring Arulnidhi in lead has crossed 25 days in theatres. The flick hit screens in December and has picked momentum gradually. The flick centers the life of a college boy and various instances of life that he comes across. In the past week 'Mounaguru' ran houseful in some of the multiplexes in the city, while some films with popular stars just had a few seats occupied for most of the shows. The actor is quite happy with the reception extended to his flick.  'Mounaguru' is directed by Shantha Kumar and has music by Thaman. The film is produced by Mohana Movies.