Write the names of two semi-dwarf and high yielding rice varieties developed in India after 1966.

Explanation

To answer the question about two semi-dwarf and high-yielding rice varieties developed in India after 1966, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Semi-Dwarf Varieties**:
- Semi-dwarf rice varieties are characterized by shorter stature compared to traditional tall varieties. This short stature helps them withstand strong winds and reduces the risk of lodging (falling over).

2. **Understanding High-Yielding Varieties**:
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