PROHIBITION OF EROTIC BOOKS AND PHOTOGRAPHS
Since installing the printing machine in Calcutta, a group of unscrupulous traders started to earn money by publishing erotic books and vulgar photographs. This addiction was spreading like wild-fire among the young generation. The Government adopted stern measures to nip it in the bud. On 30th January, 1856, the Government banned the publication of erotic books and exhibition of salacious photographs in public. Ban was also imposed on singing titillating songs or displaying provocative effigies in public places.

POST OFFICE
The first modernized Post-office was established in Calcutta in 1858. However, official documents reveal that the first Post office was built on 31st March, 1774. The first Post Master General was also appointed on this day. From 4th May, 1858, stamps with Queen Victoria's photo, priced at eight annas started to be sold at the Post office. In 1766, Lord Clive started the mail system. 7th April, 1814 saw the introduction of the 'Royal Mail Coach Service'. The nocturnal mail service between Calcutta and Nagpur started on 31st July, 1949.
The first mobile Post-Office in Calcutta took off in 1956 on 31st July. The first postal stamp priced at 1 paisa, was introduced in Calcutta. The system of 'money-order' through post-office started on 1st January, 1880.

PHOTOGRAPH EXHIBITION
The first exhibition of Photographs in Calcutta was held on 4th March, 1857 in the Town Hall. The only Bengali photographer who participated in this exhibition was Priyanath Seth.

Coloured Photo Exhibition  
The first coloured photo exhibition in Calcutta was organized by Fr. Laffon at Chowringhee Art Gallery with his Chronoscope instrument.
The first studio for still photography was established in 1844. It was situated at Wellington Street and its proprietor was a Photographer named Mitteraun.

POST CARD
The Indian Mail system introduced the post-card on 1st July, 1879. The post-card priced at 1 paisa, was an attempt to make the postal system popular among the masses.

POLO CLUB
The first Polo Club of Calcutta was established in 1862. It was named the Calcutta Polo Club. This is the oldest Polo Club in the world at present.

PORT TRUST
A law was enforced in 1870 for the maintenance and proper administration of the activities of Calcutta Port. Accordingly, a Committee was formed. In 1890, the Calcutta Port Trust Act came into being and it was named the 'Commissioners for the port of Calcutta.' It was later moderated and rechristened as Calcutta Port Trust.

PROHIBITION ON PURCHASE OF LAND
On 10th January, 1758, the Board of Directors in England forbade the British folks in Calcutta to purchase lands or cultivate them in 24-Parganas. The also directed the latter not to allot further lands.

PULLED RICKSHAW
Man-pulled rickshaw was first seen in Simla in the year 1880. It came to Calcutta in the year 1900. It is known as "Jeen Rickshaw" (Japanese name), which means man-pulled rickshaw in Bengali. It came to Simla from Japan via Sang Mai. It was brought in Calcutta for the first time by the local Chinese inhabitants who used them exclusively for their personal use. Later on, they started renting these rickshaws for public use. Since then, they have become indispensable for the citizens of Calcutta.

PRINTING MACHINE
The first printing machine was probably put to use in 1779 by the Company. The same year, Charles Wilkinson introduced it in Calcutta under the patronage of General Warren Hastings. Charles Wilkinson is regarded as the father of Indian Printing. James Augustus Hickey started printing and allied works under private undertaking in 1779.

PROHIBITION ON BUILDING ILLEGAL HOUSES
Construction of illegal houses i.e. houses without proper approval from the concerned authorities, became strictly prohibited in Calcutta from 9th March, 1707 onwards.

PRINTED MAP
Mr. Maught published the first printed map of Calcutta in 1786.