NISTI operates through six committees comprising Executive Council members who have opportunity to deliberate and make recommendations to the Chairman for further discussion in Council meetings. Each committee has a chair and participation of nominated Councillors. The Chairman and Honorary Secretary are ex-officio members in all committees. Currently the committees are:
- MEMBERSHIP DEVELOPMENT COMMITTEE, chaired by Mr Inder M Aggarwal, supported by Mr Avinash K Gupta, Prof Nien Siao, Mr S Kaushik
- TRAINING & SKILLING COMMITTEE chaired by Prof Raj Singh Antil, supported by Prof Nien Siao, Ms Gurpreet Kaur, Mr Charan Singh
- INSTITUTIONAL LINKAGES COMMITTEE, chaired by Prof Vijay K Kothari, supported by Prof Kushal Sen, Mr R D Gupta
- EVENTS AND CORPORATE LINKAGES COMMITTEE, chaired by Dr K K Sharma, supported by Mr Sudarshan Sharma, Mr S Kaushik
- ELDERS ADVISORY COMMITTEE, chaired by Mr Vijay Bhalla, supported by Dr S K Chaudhuri, Prof Vijay K Kothari, Dr K K Sharma
- TECHNICAL TEXTILES CORE GROUP, chaired by Dr V Shanbhag, supported by Prof Vijay K Kothari, Dr K K Sharma, Mr S Kaushik