There is diff between Heavy traffic and Huge Crowd, For crowd management by RPF trains not getting clearence.
As per info from every train min 1000 passengers are boarding and de boarding down from all the important and known trains like coromandel,hwh mail,prasanti,vishaka,godavari and need not explain about Intecity train i guess.
Till the passengers de boarded the train moves out of pf they are not allowing other train to enter the same pf in all the three stations like RJY,Godavari and Kovur.