Which of the following is NOT to be associated with home based work?

The correct answer is Option (3) → Manufacture of gadgets

Home-based work is an important part of the economy. This includes the manufacture of lace, zari or brocade, carpets, bidis, agarbattis and many such products. This work is mainly done by women and children. An agent provides raw materials and also picks up the finished product. Home workers are paid on a piece-rate basis, depending on the number of pieces they make. 

Manufacture of gadgets → Involves advanced technology, precision machinery, and industrial environments, not typical of home-based work.