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Plants enhance their cold stress tolerance by cold acclimation, a process which results in vast reprogramming of transcriptome, proteome and metabolome. Evidence suggests nitric oxide (NO) production during cold stress which regulates genes (especially the C‐repeat binding factor (CBF) cold stress signalling pathway), diverse proteins including transcription factors (TFs) and phosphosphingolipids. About 59% (redox), 50% (defence/stress) and 30% (signalling) cold responsive proteins are modulated by NO‐based post translational modifications (PTMs) namely S‐nitrosylation, tyrosine nitration and S‐glutathionylation, suggesting a cross‐talk between NO and cold. Analysis of cold stress responsive deep proteome in apoplast, mitochondria, chloroplast and nucleus suggested continuation of this cross‐talk in sub‐cellular systems. Modulation of cold responsive proteins by these PTMs right from cytoskeletal …