ENVIS MONOGRAPH NO.6, DECEMBER 2000

DEVELOPMENT OF NOISE INDICES FOR COAL MINING COMPLEXES
by
Dr.A.K.Pal
Assistant Professor

Dr.N.C.Saxena
Professor

ENVIS Centre
on Environmental problems of mining
[Funded by the Ministry of Environment and Forests]

Centre of Mining Environment
INDIAN SCHOOL OF MINES
Dhanbad - 826 004