Your location
Share the Pune area or exact site location so serviceability can be confirmed.
A minimal cable-line approach for balcony and window openings where visual openness is an important part of the requirement.

Invisible safety grill is typically discussed when a balcony or window needs a barrier while the homeowner wants to retain a more open visual character.
Share the Pune area or exact site location so serviceability can be confirmed.
Width and height estimates are useful for the first conversation; final measurement should guide scope.
Photos help show edge conditions, railing, wall surfaces and the overall opening.
Explain whether the priority is children, pets, general opening protection or another site-specific concern.

The appeal of an “invisible” grill is its lighter visual presence. That does not remove the need for proper site assessment, material choice and installation planning.