Salat-Ul-Tasbih
Please refer to https://islamqa.info/en/answers/145112/is-salatul-tasbeeh-legislated and https://islamqa.info/en/answers/14320/is-there-any-valid-proof-for-salaat-al-tasaabeeh-%C2%A0
Please refer to the following thread for point of view of Ghamidi Sahab and research on Ahadith on this topic: Discussion 32121