My husband obtained shivalokaprapti on 10-08-2020. 13 days rituals were over. Regarding Sodakumbam and masiyam to be done what are the procedure , rules etc. kindly guide me. my second son has done the rituals. Elder son is in Sydney. He is unable to come in this situation. Both are unmarried. What formalities to be observed when my elder son comes? Kindly guide me.