We present an extended study of the Be/X-ray pulsar 2S 1553-542 during its Type II outbursts. have incorporated \emph{NICER, Swift-XRT, RXTE-PCA, \emph{NuSTAR} and FERMI} observations to carry out detailed phase time resolved spectral analysis source. summarized evidence variability cyclotron feature observed in X-ray continuum source with respect pulse phases by using recent observation 2021 o...