Can I know do we get 100% placement in cabin crew. If we get admission to taha after studying for 12 months?

The purser is in charge of the cabin crew, in a specific section of a larger aircraft, or the whole aircraft itself (if the purser is the highest ranking). On board a larger aircraft, pursers assist the chief purser in managing the cabin. Colleges in India offer Air Hostess courses: Rajiv Gandhi Mem

No institute will give you 100% placement. It' depends on your studies and interview skills. They only provide Certificate.