152.1 Introduction Three active neutrino framework is well established still few set of anomalous data observed by LSND [1], MiniBooNE [2, 3], Gallium source experiments [4, 5] and reactor experiments [6], indicated towards neutrino oscillations with substantially different frequency. A possible explanation to these anomalous or high frequency oscillations can be addressed by adding more neutrinos to the three active neutrino framework. While the Z~0 decay width measured by LEP is consistent with, only three low mass active neutrinos [7]. The available parameter space can be restricted to the minimal 3+1 neutrino model (3 active + 1 sterile) by several null results [8]. The present and future neutrino experiments aim towards placing an stringent upper limit on such violations [9-11]. In this paper the effects of sterile neutrinos on capturing the signatures of T and CPT violation in 3+1 neutrino scheme is checked with neutrino factory muon beam of energy, 50 GeV.
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