example: winding staircase, source internet Little modification need to be done for entrance lobby opening, where you could accommodate a shoe rack and the complementary vertical wall can act as a amazing entrance decor wall wall in Kerala style heavy color play or texture/wall cladding with brass mural.. by doing this you get space to mount TV unit and a good space for sofa arrangement (make sure sofas are light as the space is less to accommodate baggy sofas), staircase can be made in the shape shown in sketch plan, with marble finish on the foot steps (or as per interiors), space in the bottom of staircase next to master bedroom wall can be utilized for chest of drawers or a tall furniture, make sure the staircase bottom part to be casted smooth in finish.

As Mr Raghu has commented, designer pieces (in whatever category) are not for ergonomics or practicality for normal use. This one is a famous design by a group of professors at the Victoria University of Wellington, New Zealand to aid Autism. You will have to order a piece from New Zealand to be true to its purpose. Copying can be done by a skilled carpenter in India, no doubt, but would still be expensive and a fake. Expert from Inhabitat website: Cradle is a sustainable rocking chair created by a collaborative effort to aid people with autism and Rhythmic Movement Disorder (RMD). Developed within the Victoria University of Wellington, this cocoon-like seat is made from cold-bent plywood. Because rocking is one of the calming activities that is recommended for autistic folks, this special seat is a soothing and aesthetically pleasing addition to their homes.

Just because you want to use the space below the stairs, do not just add drawers or shelfs unless you reaalllyyy need it. I would suggest go for adding something green to your house. Its healthy by adding air purifying plants. These plants are nowadays available in most of the nurseries and moreover Green patch in the house gives a beautiful look to the house and is also good for eyes ( the green color). Below are few picture to motivate you for Green patch or Indoor garden.

you should take place your dinning table near to the all by which u can get a lot of space to decorate these place much more beautifully.