The iron and calcium enriched varieties released by IARI are:

Options

A. carrots, spinach, pumpkin
B. bitter gourd, bathua, mustard, tomato
C. spinach and bathua
D. broad bean, lablab, French and garden peas

Answer

**Step-by-Step Solution:**

1. **Identify the Institution**: The question refers to the Indian Agricultural Research Institute (IARI), which is known for its research in agriculture and the development of improved crop varieties.

2. **Understand the Context**: The focus is on the release of specific varieties of crops that are enriched with iron and calcium. These nutrients are essential for human health, particularly for preventing deficiencies.

3. **Recall the Varieties**: According to the information provided, the IARI has released two specific varieties that are enriched with iron and calcium.

4. **List the Varieties**: The varieties mentioned are "Spinnak" and "Bathua." Both of these are leafy vegetables known for their nutritional content.

5. **Confirm the Correct Answer**: Based on the information, the correct answer to the question is option 3, which states that the iron and calcium enriched varieties released by IARI are Spinnak and Bathua.

**Final Answer**: The iron and calcium enriched varieties released by IARI are Spinnak and Bathua.

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