Operate or tend sewing machines to perform garment sewing operations, such as joining, reinforcing, or decorating garments or garment parts.
You can refer book for Sewing Machine Operator by Indian Author.
Book Name-Apparel - Sewing Machine Operator Participant guide
Author Name-(MANAS)
Price-Softcopy Available
Link : http://manassd.ind.in/wp-content/uploads/2015/04/TAILORING-PG-VER-1.00-CC.pdf