Solution:(b) By 2040, the Indian government will have controlled the growing population of India. (Correct)(a) By 2040, the Indian population will have continued to grow uncontrollably. (Incomplete sentence)
(c) By 2040, the Indian government is successfully controlling the growing population of India. (Incorrect Tense)
(d) The Indian population will have stabilized by 2022. (Incorrect sentence structure)