<span style="color: #222222;">Railways has successfully executed more than 200 long pending maintenance projects of critical importance during Covid-19 lockdown period. These include yard remodeling, repair and re-girdering of old  bridges, doubling and electrification of rail lines and renewal of scissor crossovers. The Railways Ministry said this will boost safety and speed of train operations in key sections of tracks.  <br />''<br />''Apart from ensuring supply chains of all essential commodities running through parcel trains and freight trains, Railways executed these long pending maintenance works during this lockdown period when passenger services were suspended. The Ministry said, these works were pending for several years and were causing severe bottlenecks.</span><br />