I like your efforts you spend on these videos, these are very much helpful sir. Much more amazing part is that you try your best to explain this in hindi, despite that not being your mother tongue.
This stairs mainly suits if you have hydraulic lift inbetween this is one of the best stair case used for Safety , Foot won’t damage at all, less slippery chances But this stair case is costly Nice video
You are an Engineer take drawings and tell about clear height, total riser ,level of landing for shuttering and t.o.c ,and dimensions, I think you are not an Engineer as you explain things