The Sepoy Mutiny began at Meerut on the 10th May, 1857. From the 18th May, 1857, onwards telegrams and letters were received at the Director-General's headquarters in Calcutta from the postmasters at Allahabad, Benares, Umballa and other stations, reporting the stoppage of mail communication with places which had fallen into the hands of the mutineers. News was also thus given of the destruction of post offices and plunder of mails at Sitapore, Indore, Hirapore, Cawnpore, Shahazadpore, Daryabad, Saugor, Segombe, Hamirpur, Jaunpor, Azimgarh and many more places. On the 15th May, 1857, the Postmaster-General, North-Western Provinces, gave instructions to his postmasters to collect waggons and bullocks for the conveyance of troops. On the 21st May the Postmaster, Agra, reported to the Director-General that Dr. Clark, who had been specially vested with the authority of Postmaster-General in a portion of the North-Western Provinces, was safe and well at Muttra, and was trying to open mail communication. On the 26th May, 1857, the Postmaster, Benares, applied to the Director-General for authority to supply horses for conveyance of troops. Mr. H. B. Riddell, Director-General at the time, was fully alive to the situation and set a brilliant example to all ranks. He addressed the following letter to the Government of India from his camp at Sherghotty on the 30th May, 1857:-- "I have the honour to report that arrangements have been made or are in train which will, I trust, enable the Bullock Train establishment to convey daily without interruption one hundred men from Raneegunge to Benares. There will be fifty-six pairs of Bullocks at each stage between Sherghotty and Benares. "The Bullocks procurable are of the smallest and most miserable description.... A workshop will be established at Dehree and, as the road over the sand of the Soane will be broken up in a day or two, the men of each detachment will be conveyed over in country carts, fresh waggons being ready on the other side. I shall probably have to stay to-morrow and make some arrangements at the Soane, but will, after doing so, move on to Benares and arrange for the despatch of troops from Benares to Allahabad. If the Commissariat bullocks are stationed along the line and they have any covered carts, large detachments can be sent every two or three days, but I will telegraph what can be done when I reach Benares. In the meantime Commissariat Gun bullocks should be stationed along the line." The Director-General's efforts were ably seconded by Mr. C. K. Dove, Postmaster-General, and Mr. Garrett, Deputy Postmaster-General of Bengal, both of whom did all in their power to ensure the prompt despatch of troops up country, calling in the aid of the local magistrates to secure the best cattle and the services of the Engineering Department to facilitate the passage of carts over unbridged rivers along the Grand Trunk Road.