Mumbai- Prior to Diwali festival, Dhanteras is celebrated. According to the ancestors, on this day, man prospers and so, as a part of ritual, people buy silver and performs pooja of goddess laxmi and Kuber. To make goddess laxmi happy, one should say this mantra - ॐ श्रीं श्रीं महालक्ष्म्यै श्रीं श्रीं ॐ नम: