**Core Concept**
The question pertains to the Medical Termination of Pregnancy (MTP) Act, 1971, and the Indian Penal Code (IPC), specifically Section 419, which deals with the issuance of false certificates by medical practitioners.

**Why the Correct Answer is Right**
Under the MTP Act, a doctor issuing a false certificate for abortion can be held liable. This is because a false certificate is considered a serious offense, as it can lead to the termination of pregnancy without proper medical justification. The IPC, Section 419, prescribes a punishment for counterfeiting a medical certificate, which includes imprisonment and a fine. The punishment is intended to deter medical practitioners from issuing false certificates and maintain the integrity of the medical profession.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct punishment for issuing a false certificate. While imprisonment and a fine are mentioned, the specific punishment is not clearly stated.
**Option B:** This option is incorrect because it mentions a different section of the IPC (Section 419 does not exist in the IPC), which is irrelevant to the punishment for issuing a false certificate.
**Option C:** This option is incorrect because it does not provide a clear punishment for issuing a false certificate.

**Clinical Pearl / High-Yield Fact**
Doctors should be aware that issuing a false certificate can result in severe consequences, including imprisonment and a fine. This highlights the importance of maintaining the integrity of medical certificates and upholding the standards of the medical profession.

**Correct Answer: D. Imprisonment for 3 years and/or fine.**