**Core Concept**
Medical termination of pregnancy (MTP) is a procedure to end a pregnancy using medications, typically performed under the supervision of a healthcare provider. The indications for MTP are outlined in the Medical Termination of Pregnancy (MTP) Act, which varies by country.

**Why the Correct Answer is Right**
The indications for MTP include:

- Rape or incest
- Foetal anomalies incompatible with life
- Threat to the life of the mother
- Contraceptive failure with severe fetal malformation

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as there is no clear indication of MTP in cases of "social reasons". While social reasons may be a factor, they are not a valid indication for MTP under most laws.

**Option B:** This option is incorrect as there is no clear indication of MTP in cases of "economic reasons". Economic reasons may be a factor, but they are not a valid indication for MTP under most laws.

**Option C:** This option is incorrect as there is no clear indication of MTP in cases of "partner's refusal". While partner refusal may be a factor, it is not a valid indication for MTP under most laws.

**Option D:** This option is incorrect as there is no clear indication of MTP in cases of "age of the mother being above 35 years". While advanced maternal age may be a risk factor, it is not a valid indication for MTP under most laws.

**Clinical Pearl / High-Yield Fact**
It is essential to note that the indications for MTP vary by country and jurisdiction. Healthcare providers must be aware of the local laws and regulations governing MTP to ensure that they are providing care that is both safe and compliant with the law.

**Correct Answer: D. Age of the mother being above 35 years.**