The Thrikkakara Vamanamoorthy Temple, believed to be about 2,000 years old, has been decked up for Onam even as the traditional Uthrada Pachil, a frenzy of shopping ahead of Thiruvonam day on September 15, reached a peak. Preparations have already begun for the traditional votive lunch at the temple hall, where around 20,000 people are expected turn up Thiruvonam day. …