The Prabhavali/ Prabhai/ Thiruvachi or is the most important accent to any gods image, as it mimics the aura of the presiding deity, it shadows, accents and gives it a powerful stance along with an air of supreme divinity. The intricate etchings of the arch are symbolic of fire and this could be evident in many larger Prabhavalis there are provisions for lighting lamps, which was done in those days where electricity was not available and the light from the lamps served to light up the gods image so that the devotees would get a glimpse of the divine features clearly.