To mark the birth centenary of M G Ramachandran, the Reserve Bank of India issued commemorative coins of which rupee denomination?

Introduction / Context:
The Reserve Bank of India occasionally issues special commemorative coins to mark important anniversaries of national leaders and cultural icons. M G Ramachandran, often known as MGR, was a popular film star and Chief Minister of Tamil Nadu. His birth centenary was an event for which special coins were released. This question checks whether you remember the denomination of those coins.

Given Data / Assumptions:

• The event is the birth centenary of M G Ramachandran.
• The issuer of the coin is the Reserve Bank of India.
• The options list various rupee denominations including 20, 100, 200, and 500.

Concept / Approach:
Commemorative coins are often issued in standard and higher denominations, with 100 rupees being a common high denomination used for special occasions. While the Reserve Bank has occasionally issued various denominations for different personalities, the commemorative coin specifically linked with the M G Ramachandran centenary is the 100 rupee coin. Recognising the pattern of such releases and recalling this particular case leads to the correct answer.

Step by Step Solution:
Step 1: Identify that this is a commemorative coin question, not a regular circulation coin question. Step 2: Recall news coverage of the M G Ramachandran centenary celebrations, which mentioned the release of coins. Step 3: Remember that the commemorative high value coin for this occasion was of 100 rupees. Step 4: Compare this memory with the listed options and see that 100 rupees is indeed included. Step 5: Therefore, select rupees 100 as the correct denomination.

Verification / Alternative check:
If you are unsure, consider the usual pattern of commemorative coin issues in India, where denominations like 5, 10, and 100 rupees are commonly used. Very high denominations such as 500 rupees coins are rare and generally not associated with personality centenaries that have wide public engagement. The fact that news articles on the centenary specifically mention a 100 rupee coin supports this answer.

Why Other Options Are Wrong:
Rupees 200: Although 200 rupee coins exist in some contexts, this specific centenary is not widely associated with that denomination, so this is not the expected answer.
Rupees 500: This denomination would be unusually high for a commemorative coin aimed at broad public recognition.
Rupees 20: This is a relatively low denomination and not the main high value coin that marked the centenary of M G Ramachandran.

Common Pitfalls:
Candidates sometimes guess the highest denomination listed, assuming that the more important the person, the larger the value of the coin. This is not a reliable rule. The safer approach is to remember actual news reports or to know that 100 rupees is a standard high value commemorative denomination used by the Reserve Bank of India.

Final Answer:
To mark the birth centenary of M G Ramachandran, the Reserve Bank of India issued commemorative coins of rupees 100 denomination.