After diagnosis of disease in a person, the doctor advises the patient iron and folic acid tablets. The person is suffering from __________.

The correct option is D Anaemia
Osteoporosis is a condition in which bones are fragile and are more susceptible to fractures. Anaemia is a condition in which there is a deficiency of red blood cells or haemoglobin in the blood. It may result due to lack of iron or folic acid. Regular dose of iron and folic acid tablets reduces anaemia. Goitre is a condition in which there is swelling in the neck due to enlarged thyroid gland. Protein-energy malnutrition (PEM) is a condition in which there is deficiency of protein and energy resulting in various disorders like marasmus and kwashiorkor.

Thus, the correct answer is option 'Anaemia.'