Rott, H. (2009): Advances in interferometric synthetic aperture radar (InSAR) in earth system science. Progress in Physical Geography, 33(6), 769–791. DOI:10.1177/0309133309350263
Hi @Rajkumar, a good starting point is the chapter 2 of Polar Remote Sensing
Volume II: Ice Sheets by Massom and Lubin, or even the training manual by ESA: https://www.esa.int/About_Us/ESA_Publications/InSAR_Principles_Guidelines_for_SAR_Interferometry_Processing_and_Interpretation_br_ESA_TM-19