Which one of the following is the correct ascending order of the States in terms of urban population as per 2001 Census ?

The correct answer is (c).

The urban population of India as per 2001 Census is as follows:

• Maharashtra: 66,814,000
• Tamil Nadu: 44,960,000
• Uttar Pradesh: 31,184,000
• West Bengal: 29,645,000

Therefore, the ascending order of the States in terms of urban population as per 2001 Census is:

1. Maharashtra
2. Tamil Nadu
3. Uttar Pradesh
4. West Bengal

The other options are incorrect because they do not match the data from the 2001 Census.