Erratum to: J. Inst. Eng. India Ser. C (October–December 2012) 93(4):357–364 DOI 10.1007/s40032-012-0043-z

Unfortunately, in the original publication of the article, captions of Figs. 1 and 2 have been swapped. The correct caption for Fig. 1 should be “EDM process” and for Fig. 2 it should read “Wire EDM process.”