1. Analytical Chemistry Division, National Metallurgical Laboratory, Jharkhand, Jamshedpur 831 007, India
2. Control, Research, and Development Department, Uranium Corporation of India Limited, Turamdih, Sundernagar, Jharkhand, Jamshedpur 832 107, India
3. P.G. Department of Chemistry, Tata College, Jharkhand, Chaibasa 833 202, India