Shares of Kernex Microsystems plunged 4.51 per cent, Texmaco Rail & Engineering dipped 2.67 per cent and Kalindee Rail Nirman fell by 2.50 per cent on BSE.
On the other hand, shares of Stone India surged 5.70 per cent and Hind Rectifiers gained 2.36 per cent.
Finance Minister Arun Jaitley announced the plan size for the next fiscal for the Railways at Rs 1,31,000 crore as against Rs 1.21 lakh crore last year.
The Railway Budget, merged with General Budget 2017-18, also provides for commissioning of new railway lines of 3,500 km against 2,800 kms in 2016-17.
Railway PSUs IRCTC, IRFC and Concor are to be listed on various stock exchanges.