The correct answer is 1947.

• Malwa is a region in western India occupying a plateau of volcanic origin in the western part of Madhya Pradesh state.
  • This region had been a separate political unit from the time of the Aryan tribe of Malavas until 1947 when the British Malwa Agency was merged into Madhya Bharat.
  • Although political borders have fluctuated throughout history, the region has developed its own distinct culture and language.

• The plateau that forms a large part of the region is named the Malwa Plateau, after the region.
  • The average elevation of the Malwa plateau is 500 meters, and the landscape generally slopes towards the north.
  • Most of the region is drained by the Chambal River and its tributaries; the western part is drained by the upper reaches of the Mahi River.
  • Ujjain was the political, economic, and cultural capital of the region in ancient times, and Indore is presently the largest city and commercial center.
  • Overall, agriculture is the main occupation of the people of Malwa.
  • The region has been one of the important producers of opium in the world. Cotton and soybeans are other important cash crops, and textiles are a major industry.