The correct answer is B. 1991.
The concept of liberalization, privatization and globalization was introduced first in Indian economy in the year 1991. This was done by the then Finance Minister, Manmohan Singh, who introduced a series of economic reforms. These reforms were aimed at opening up the Indian economy to foreign investment and trade, and at reducing the role of the government in the economy.
The reforms were successful in boosting economic growth and reducing poverty in India. However, they also led to some negative consequences, such as increased inequality and environmental degradation.
Option A is incorrect because the concept of liberalization, privatization and globalization was not introduced in India in 1984. In fact, the Indian economy was relatively closed to foreign investment and trade in the 1980s.
Option C is incorrect because the concept of liberalization, privatization and globalization was not introduced in India in 1995. The reforms were introduced in 1991, and they had a significant impact on the Indian economy in the following years.
Option D is incorrect because the concept of liberalization, privatization and globalization was not introduced in India in 2000. The reforms were introduced in 1991, and they had a significant impact on the Indian economy in the following years.