Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? 1. Genetic predisposition of some people 2. Taking incorrect doses of antibiotics to cure diseases 3. Using antibiotics in livestock farming 4. Multiple chronic diseases in some people Select the correct answer using the code given below.

Multi-drug resistance in microbial pathogens occurs due to several reasons:

1. Availability of antibiotics in general stores without prescription: While this contributes to misuse, it is not a direct mechanism causing resistance.

2. Taking incomplete doses of antibiotics: Correct. Incomplete courses allow partially resistant bacteria to survive and multiply, leading to fully resistant strains.

3. Use of antibiotics in livestock farming: Correct. Widespread antibiotic use in livestock for growth promotion and disease prevention contributes to the development of resistant bacteria that can transfer to humans.

4. Multiple chronic diseases in some people: Incorrect. Having multiple chronic diseases does not directly cause multi-drug resistance in microbes. While such patients may use more antibiotics, the chronic diseases themselves are not a reason for resistance.

Therefore, only statements 2 and 3 are correct.