Step 1: Total exports of India in 2021-22 were about USD 422 billion.
Step 2: Agricultural and allied exports that year were about USD 50 billion, a record high.
Step 3: Share \( = \frac{50}{422} \times 100 \approx 11.9\% \), matching option 3.
Correct option: \[ \boxed{11.94\%} \]