Regional Petrology Division Geological Survey of India CR Nagpur India;
Geological Survey of India State Unit: P& H NR Chandigarh India;
Geological Survey of India Western Region Jaipur India;
Geological Survey of India State Unit: Assam NER Guwahati India;
Geological Survey of India Central Region Bhopal India;
Geological Survey of India State Unit: Assam NER Guwahati India;
Geological Survey of India State Unit: Assam NER Guwahati India;
Regional Petrology Division Geological Survey of India CR Nagpur India;
Lepidolite; LCT; XRD; Per-Aluminous; Fractionations; AMGC and Shillong Plateau;