An Indian Patent with Patent Number 445111 has been granted to Prof. Srivastava group. The title of patent is "Protective Layer for Microwave Metamaterial Absorbers and Method Thereof," The inventors are Ms. Kajal Chaudhary, Prof. Janakarajan Ramkumar, Prof. S. Anantha Ramakrishna, Prof. Praveen C. Ramamurthy and Prof. Kumar Vaibhav Srivastava.