Repair and Maintenance of old toilet block at BOP Boltala and provision of septic tank in AOR of 77 Bn BSF under SHQ BSF Kolkata Repair and Maintenance of old toilet block at BOP Boltala and provision of septic tank in AOR of 77 Bn BSF under SHQ BSF Kolkata

Repair and Maintenance of old toilet block at BOP Boltala and provision of septic tank in AOR of 77 Bn BSF under SHQ BSF Kolkata Repair and Maintenance of old toilet block at BOP Boltala and provision of septic tank in AOR of 77 Bn BSF under SHQ BSF Kolkata