Central Drug Research Institute (CDRI). Secientists developed a new oral contraceptive for the females is.

Answer

**Step-by-Step Solution:**

1. **Understanding the Context**: The question refers to a new oral contraceptive developed by the Central Drug Research Institute (CDRI) for females. Oral contraceptives are medications taken by mouth to prevent pregnancy.

2. **Definition of Oral Contraceptives**: Oral contraceptives are commonly known as birth control pills. Their primary function is to prevent unwanted pregnancies by inhibiting ovulation, altering the uterine lining, and thickening cervical mucus.

3. **Identifying the Specific Contraceptive**: The specific oral contraceptive developed by CDRI is named "Saheli." This is a significant detail as it identifies the product in question.

4. **Composition of Saheli**: Saheli is a combination of hormones, specifically estrogen and progesterone. These hormones work together to prevent ovulation and thus reduce the chances of pregnancy.

5. **Conclusion**: Therefore, the new oral contraceptive developed by CDRI for females is "Saheli," which is designed to help in birth control.

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