Opioid selling Indian opium which was smuggled into China in defiance of Chinese government bans. This led to the First (1839–1842) and Second Opium Wars (1856–1860) between China and Britain. In the 19th century, two major scientific advances were made that had far-reaching effects. Around 1804, German pharmacist Friedrich Sertürner isolated morphine from opium. He described its crystallization, structure, and pharmacological properties in a well-received paper in 1817. Morphine was the first alkaloid to be isolated from any medicinal plant, the beginning of modern scientific drug discovery. The second advance, nearly fifty years later, was the refinement of the hypodermic needle
Illegal immigration to India a danger to India's internal security". Apart from immigrants a large numbers smugglers regularly cross the porous border along West Bengal into India. They mainly engage in smuggling goods and livestock from India into Bangladesh to avoid high tariff imposed on some Indian goods by Bangladesh government. Bangladeshi women and girls are also trafficked to India . The Centre for Women and Children Studies estimated in 1998 that 27,000 Bangladeshis have been forced into prostitution in India. According to CEDAW report, 1% of foreign prostitutes in India and 2.7% of prostitutes in Kolkata are from Bangladesh. Illegal immigration to India