“…Utilizing the auxiliary information on both occasions, Feng and Zou (1997), Biradar and Singh (2001), G. N. Singh (2005), G. N. Singh and Priyanka (2006;2007;2008;, G. N. Singh and Karna (2009), H. P. Singh and Vishwakarma (2009), G. N. Singh and Prasad (2010), G. N. Singh, Karna, and Prasad (2011, H. P. Singh, Tailor, Singh, andKim (2011), G. N. Singh andPrasad (2013), and G. N. Singh and Homa (2013) proposed varieties of estimators of the population mean on the current (second) occasions in two-occasion successive sampling.…”