Diwali Puja Vidhi and Mantras on the festival
Diwali is the festival of worship of idol goddess Laxmi and Lord Ganesha. Puja is performed on the Diwali night on Amavashya of Kartika Month during October or November. The appropriate time (Muhurat) to perform Diwali puja is Amavasya Thithi and Pradosh time.
This year Diwali in on 19th October 2017 (Thursday)
And The Lakshmi Puja Muhurta = 19:26 to 20:25
Pradosh Kaal = 17:54 to 20:25
Vrishabha Kaal = 19:26 to 21:24
Amavasya Tithi Ends = 00:41 on 20/Oct/2017
On the day of Diwali, people should get up early in the morning and pay tribute to their ancestors and worship family gods. Being Amavasya day, people also perform Shradh for their ancestors. Traditionally, most Puja are performed after keeping a day long fast. Hence, the devotees of Goddess Lakshmi observe a day long fast on the day of Lakshmi Puja. The fast is broken after Lakshmi Puja in the evening.
For Diwali Puja people should buy the new Pratima (प्रतिमा) of Maha Lakshmi. This Puja is given for new Pratima or Murti (मूति॔) of Shri Lakshmi.
The puja altar or pooja place in the home is cleaned and decorated. The idols of Ganesh, Lakshmi and Saraswati are placed. They are decorated with sandal paste, vermilion and flowers. Things you need for the puja include as many earthen lamps as possible (Diya), turmeric powder, sandal paste, vermilion, coconut, betel leaves and betel nuts, flowers, pure water, some nice dishes or sweets for offering and others as per your possibility.
At the start of the puja, chant Ganapati Mantra and pray to him for removing the obstacles on the way of the puja.
Ganpati Mantra:
Om Shri Ganeshaya Namah
Chant the mantras of Ganesha, Lakshmi and Saraswati. Also offer flowers chanting the Ashtothra Namavali (list of 108 names) of these three deities one by one.
It is highly auspicious to chant Sri Suktam (the vedic mantra dedicated to Lakshmi) on this day which shall bring good fortune and prosperity to the home.
Prayer offered to Mata Lakhsmi
Om Jai Lakshmi Mata, Maiya Jai Lakshmi Mata,
Tumko Nishdin Sevat, Har Vishnu Vidhata.
Om Jai Lakshmi Mata!!!
Uma Rama Bharmani, Tum Hi Jag Mata,
Surya Chandrma Dhyavat Naard Rishee Gata.
Om Jai Lakshmi Mata!!!
Durga Roop Niranjani, Sukh Sampati Data,
Jo Koi Tum Ko Dhayata, Riddhi Siddhi Pata.
Om Jai Lakshmi Mata!!!
Tum Patal Nivasini, Tum Hi Shubh Data,
Karam-Prabhav-Prakashini, Bhav Nidhi Ki Trata.
Om Jai Lakshmi Mata!!!
Jis Ghar Main Tum Rahti, Sub Sadgun Aata,
Sub Sambhav Ho Jata, Man Nahi Ghabrata.
Om Jai Lakshmi Mata!!!
Tum Bin Yagya Na Hove, Vastra No Koi Pata,
Khan-Pana Ka Vaibhav, Sub Tumse Pata.
Om Jai Lakshmi Mata!!!
Shubhgun Mandir Sundar, Sheerodadhi Jata,
Ratan Chaturdhsh Tum Bin, Koi Nahi Pata.
Om Jai Lakshmi Mata!!!
Mahalakshmi Ji Ki Aarti, Jo Koi Nar Gata,
Urr Anand Samata, Pap Utar Jata.
Om Jai Lakshmi Mata!!!
Sthir Char Jagat Bchaye Shubh Karam Nar Lata,
Ram Pratap Maiya Ki Shubh Drashti Chahta.
Om Jai Lakshmi Mata!!!