ANSWER:

No, this is not permissible at all when she’s able to use water. Her prayers are invalid

QUESTION: My mom is about 67, she have problem with knees, back, numb feet is usual stuff due to diabetes, losing balance while bending for washing feet.But she is all fine with water, she goes to washroom of her own etc.For 2-3 years she got this input from her sister for doing the Tayammum and she does it regularly, is it okay?

Ablution (Wudhu), Prayer |