Step 1: Identify Indian-owned brands
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Allen Solly → Owned by Aditya Birla Fashion and Retail Ltd. (Indian).
-
La Opala → An Indian brand manufacturing glassware and tableware.
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Monte Carlo → Owned by Oswal Woollen Mills, part of the Indian Nahar Group.
-
Royal Enfield → Owned by Eicher Motors, an Indian company.
Step 2: Identify the non-Indian brand
-
Dettol → Owned by Reckitt Benckiser, a
British multinational company, not Indian.
Step 3: Elimination of incorrect options
All other options are Indian-owned, while Dettol is foreign-owned.
\[
\boxed{\text{Dettol is NOT owned by an Indian company.}}
\]