On which river is the Mawphlang Dam built?

The question asks about the river on which the Mawphlang Dam in Meghalaya is built.
Let's look at the options:
Option A: Sutlej - This river is primarily in northern India, not Meghalaya.
Option B: Ravi - This river is also in northern India, not Meghalaya.
Option C: Gomti - This river is in Uttar Pradesh, not Meghalaya.
Option D: None of these - This suggests the answer isn't among the options A, B, or C.
Since none of the rivers (Sutlej, Ravi, or Gomti) are in or closely related to Meghalaya where the Mawphlang Dam is located, the correct answer is:
Option D: None of these