Question

the tribals went to work in the -------- of assam and coal mines in bihar​

Answer 1

Answer:

tea plantation

Hope this answer helps you

Answer 2

Answer:

tea plantations

Explanation:

From the late nineteenth century, tea plantations started coming up and mining became an important industry. Tribals were recruited in large numbers to work the tea plantations of Assam and the coal mines of Jharkhand. They were recruited through contractors who paid them miserably low wages and prevented them from returning home. Hence, Option A is correct.