THIRUVANANTHAPURAM: Chief Minister Pinarayi Vijayan on Monday, October 4, 2021, informed the assembly that the vetting of the project report of K-Rail by various central agencies has been progressing and the final approval for the project can be expected anytime from now. The detailed project report of the Rs 63,941-crore SilverLine semi high-speed railway line by Kerala Rail Development Corporation Limited (K-Rail) has been submitted to the Union railway ministry, finance department and central cabinet to get the final approval.