For effective and efficient administration, the activities of NSSO are decentralized under three zones:
- Southern zone under the direct control of NSSO Head Quarters
Northern zone under Zonal Silkworm Seed Organization (ZSSO) headquartered at Majra, Dehradun, Uttarakhand
East and North Eastern Zone under ZSSO headquartered at Raiganj, West Bengal.
- 17 Basic Seed Farms (BSFs) , 18 hybrid Silkworm Seed Production Centres, one P1 Seed Production Centre, 2 Seed Cocoon Procurement Centres (SCPCs), 3 Cold Storage Plants (CSPs), one Sericulture Service Centres (SSCs), and One Chawki Rearing Centre situated in different states accomplish the manifold tasks of NSSO. All the centres are state-of-the art with infrastructure and equipment with well trained and experienced scientific and technical personnel.