Regarding any possible restriction due to role of left-hand in cleaning, as per my understanding there are no restrictions regarding the handedness of cleaning activities:
He shall eat facing the east, void fæces facing, the south, discharge urine facing the north, and wash his feet turned towards the west. [Apastamba Dharmasutra 184.108.40.206]
"He who ...
Using left-hand is not forbidden. Arjuna used both his left and right hands and that is why he was known as Savyasachin which basically means ambidextrous.
Virata Parva of the Mahabharata: sacred-texts.com/hin/m04/m04044.htm
"And since both of my hands are capable of drawing the Gandiva, I am known as Savyasachin among gods and men."
Arjuna used ...
In case of childless couples or of parents whose children are uninterested, they must get the Jeeva Śrāddha (their own antyeshti) done and perform as much donation as possible.
The same has been provided in the Preta Kāṇḍa of the Garuḍa Purāṇa.
When Garuda asks Lord Vishnu about the kriya for childless couples or the absence of persons authorised to perform ...
Archit is right
Alive Shraddha is also done, in south india , specially in maharashtra-tryambekshwar and bihar, haridwar also. Wherever there is Divine River (Ganga Yamuna Godavari...), it can be done there.
Another thing those parents can do Naamjap : "Sri Gurudev Dutt"
Lord Dattatraya gives Sadagati to all our departed ancestors and, if we jap, ...