1. Department of Chemistry School of Physical Sciences Central University of Kerala Riverside Transit Campus 671314 Padnekkad Kerala India
2. Indian Oil Corporation Ltd. R&D Centre 121007 Faridabad India
3. Inorganic Material and Catalysis Division CSIR‐CSMCRI 364002 Bhavnagar Gujarat India
4. Department of Chemistry Inorganic Materials & Catalysis Laboratory University of Delhi 110007 Delhi India