Kartika is one of the auspicious month among all the hindu months. People worship God Shiva and God Vishnu,Lord Subramanya during this month.
This app gives a overview of kartika masam , its importance and the rituals followed in this month.
It also has the importance of day wise (tithi)rituals and god to be worshipped.
Also know about Karthika pournami and ekadashi.