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In this work, we study the spin transport at theFerromagnet$|$Noncentrosymmetric Superconductor (F$|$NCSC) junction of aFerromagnet$|$Noncentrosymmetric Superconductor$|$Ferromagnet (F$|$NCSC$|$F)spin valve. We investigate the Tunnelling Spin-Conductance (TSC), spin currentand Spin Tunnelling Magneto-Resistance (STMR), and their dependence on variousimportant parameters like Rashba Spin-Orbit Coupling (RSOC), strength andorientation of magnetization, an external in-plane magnetic field, barrierstrength and a significant Fermi Wavevector Mismatch (FWM) at the ferromagneticand superconducting regions. The study has been carried out for differentsinglet-triplet mixing of the NCSC gap parameter. We develop Bogoliubov-deGennes (BdG) Hamiltonian and use the extended Blonder - Tinkham - Klapwijk(BTK) approach along with the scattering matrix formalism to calculate thescattering coefficients. Our results strongly suggest that the TSC is highlydependent on RSOC, magnetization strength and its orientation, andsinglet-triplet mixing of the gap parameter. It is observed that NCSC withmoderate RSOC shows maximum conductance for a partially opaque barrier inpresence of low external magnetic field. For a strongly opaque barrier and anearly transparent barrier a moderate value and a low value of fieldrespectively are found to be suitable. Moreover, NCSC with large singletcomponent is appeared to be useful. In addition, for NCSC with large RSOC andlow magnetization strength, a giant STMR ($\%$) is observed. We have also seenthat the spin current is strongly magnetization orientation dependent. With theincrease in bias voltage spin current increases in transverse direction, butthe component along the direction of flow is almost independent.

Spin transport and Spin Tunnelling Magneto-Resistance (STMR) of F$|$NCSC$|$F spin valve