Kaarthigai Deepam is a festival of lights, celebrated in the Tamil month of Kaarthigai. It is celebrated on the full moon day of the Kaarthigai month which coincides with Krithikai star. It is also considered as the extension of the Deepavali festival.
There are 24 Ekadasis observed by Hindus during the year. Of these Vaikunda Ekadasi celebrated in the Tamil month Margazhi (Dec-Jan) is considered very auspicious.
In a funeral procession you should always walk behind the corpse following it, you should not walk in front.
In the pooja room do not place pictures of Gods along with pictures of departed souls like grandfathers, great grandfathers etc. You can place them in the pooja room on a different side. For eg., if Gods are placed facing east you can place the pictures of the deceased facing south or north etc., If you worship this way then the blessings you will receive will be several fold.