Step 1: Understanding Consumer Right Day. 
  
Consumer Rights Day is observed to raise awareness about consumer rights and the protection of consumer interests. It is celebrated globally on the 15th of March every year. 
Step 2: Analyzing the options. 
  
- (A) 15th March: Correct, as Consumer Rights Day is celebrated on this date. 
  
- (B) 15th April: Incorrect, this is not the date for Consumer Rights Day. 
  
- (C) 15th July: Incorrect, this is not the date for Consumer Rights Day. 
  
- (D) 15th January: Incorrect, this is not the date for Consumer Rights Day. 
Step 3: Conclusion. 
  
The correct answer is (A) 15th March, as this is the date designated for Consumer Rights Day globally.