The question asks you to check if certain enterprises or groups, match correctly with the enterprise industrial groups they belong to.

Option 1 suggests that VSNL belongs to Bharti, Mundra Special Economic Ltd., belongs to Sone Adani, and CMC Ltd., belongs to Tata. This is not fully correct. While CMC is indeed a Tata company, VSNL is not a Bharti company but a Tata Group company, furthermore Mundra Special Economic Ltd., is not at all associated with Sone Adani but with Adani Group.

Option 3 suggests that VSNL belongs to Bharti, Mundra Special Economic Ltd., belongs to Sone Adani, and IPCL belongs to Reliance. But again, VSNL belongs to Tata and Mundra Special Economic Ltd., belongs to Adani Group not to Sone Adani. However, IPCL does belong to Reliance.

Option 2 suggests that only CMC Ltd. and IPCL are correctly linked to Tata and Reliance respectively, which is partially true.

Finally, option 4 suggests that Mundra Special Economic Ltd., belongs to Sone Adani, CMC Ltd., belongs to Tata, and IPCL belongs to Reliance. Clearly, Mundra Special Economic Ltd.,