Karthika Mangalavaram Vratham (Tuesdays in Kartik Month) is an auspicious vrata dedicated to Lord Subramanya Swamy (Murugan).
In 2018, Karthika Mangalavara Vratham dates are – November 13, November 20, November 27 and December 4 as per Telugu, Kannada, Gujarati and Marathi calendars.
This vrata begins on the any Tuesday which coincides on Krithika Nakshatram or any Tuesday in Karthika Masam. It is continued for 18 Tuesdays.
After performing the vrata for 18 Tuesdays, on 19th Tuesday (preferably the Krittika Nakshatra yuktha Mangalavara), after performing Shodashopachara Puja to Subramanya Swamy, donate the puja deity of Subramanya swamy along with the ghanta (bell), Dhupa Deepa articles, Dakshina and tambulam to a Brahmin vatuvu (a Brahmin bachelor who performs Sandhya vandana daily).
Yellow lentils or Toor dal and a sweet item are also donated to the Brahmin apart from the above said material.