Ahead of Railway budget, if you are searching for stocks which can gain and are in good condition then you can look for A2Z Maintenance (A2z Infra Engineering Ltd), Zicom Electronic Security and Nitin Fire Protection.
Zicom Electronic Security mentioned at Rs 157.30 in Dec 2014. It is currently trading at Rs 185.
A2z Infra Engineering Ltd takes cleaning contracts from Railway and other maintenance work. But its Balance Sheet is not in good shape. Winning big contract can give it push.