TY  - BOOK
AU  - Varma, C.V.J  .
AU  - Rao,A.R.G  .
AU  - T,.
TI  - Directory of Tunnels in India / 
U1  - 028.7662 
PY  - 1997///
CY  -  : 
PB  - Central Board of Irrigation & power , 
ER  -