I don't know what is available to you there in India. Hopefully you can get Harrison's pellets. But for a sick bird, what you need is to Find an Avian Vet right away.
UNITED ARAB EMIRATES
EUROVETS Dr Jonathan Hale BVSc(Pret) CertVR MZCVS MRCVS British Veterinary Center Abu Dhabi UAE www.britvet.com