Peeyush , on the contrary this is good for homes with kids. It protects the kids from leaning over . To give you an idea for two steel cables laid 4 inches away can at max stretch further by an inch and that too by a grown up. So if your intention is to have it for kids safety it is a good product . However, for a burglar or fire situation we don't find it a great solution.

Vinod, you are correctly advised. The trendy ones which you are mentioning are usually from gated communities where surveillance and security are better. You may have to assess the area you live in and plan accordingly. Thanks, Nitin Cornerstone Designs, Bangalore.

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.

If you're an idea you have to decide where's it will be implemented for example I have an invisible grill concept I can use it in balcony, windows, staircase like below pics like that you can try your concept