On the demise of a batchlor, the rituals conducted for 13 days are the same as for grihastas? Is there any difference in prathyabdika shraadha rituas ?

 Answer: NO, the rituals ends with 10th day, instead of prabhootha-bhali, a ritual known as Narayana Bhali is given. There after, no other rituals or aabdeekam needed to be performed. It it common for all Brahmin community, to conduct the Narayana Bhali for Kanya (unmarried women) and Brahmmachari (Bachellor) on their demise.