“…Now-a-days soft sets theory has been applied in variety of disciplines such as such as smoothness of functions, game theory, operation research, measurement theory, medical diagnosis, decision making, algebra etc. (Acar, 2010 [1]; Molodtsov, 1999 [17]; Molodtsov, 2004 [18]; Roy and Maji, 2007 [20]; Celik and Yamak, 2013 [6], Majumdar and Samanta, 2010 [16], Ma et al, 2014 [12]). Yang et al (2009) [23] presented the concept of interval-valued fuzzy soft set by combining the interval-valued fuzzy set (Gorzalczany, 1987 [8]; Zadeh 1975 [24]) and soft set (Maji et al 2001 [15]) models.…”