KOLKATA : Anticipating heavy rush of commuters on Christmas, the Kolkata Metro Railway has decided to run 216 services from 7 am to 10.30 pm on December 25, an official said on Tuesday.While the first service will start from both ends - Dum Dum and Kavi Subhash at 7 am and from Noapara at 7.09 am, the last service will leave Kavi Subhash and Dum Dum at 9.30 pm and from Noapara at 9.25 pm, he said.Services will be available every seven minutes during the morning and evening peak hours.The Metro official said that e-passes will not be required for senior citizens, women and children below 15 years, but these will have to be produced by other passengers between 3 pm and 8 pm on Christmas.Meanwhile, the Metro Railway will conduct trial of its.