Electoral malpractices, such as the use of money and liquor to influence voters, intimidation of voters, and impersonation of voters, are significant challenges that threaten the integrity of elections. To address these challenges, various measures have been taken by governments and electoral bodies worldwide. This analysis will examine the measures taken to curb these practices and evaluate their effectiveness.

**Measures taken:**

1. **Legal framework:** Strengthening legal frameworks by enacting and enforcing laws that prohibit electoral malpractices. For example, in India, the Representation of the People Act, 1951, and the Conduct of Election Rules, 1961, prohibit bribery, intimidation, and impersonation.
2. **Voter registration:** Implementing robust voter registration processes to ensure that only eligible citizens are enrolled on the electoral roll.
3. **Biometric authentication:** Using biometric technologies like fingerprint or facial recognition to verify the identity of voters and prevent impersonation.
4. **Voter education:** Educating voters about their rights and responsibilities to discourage electoral malpractices.
5. **Poll officials training:** Training poll officials on their roles and responsibilities to detect and prevent electoral malpractices.
6. **Election observer missions:** Deploying domestic and international election observer missions to monitor the electoral process and report on any irregularities.
7. **Penalties for offenders:** Imposing severe penalties on individuals found guilty of electoral malpractices, including imprisonment and fines.

**Effectiveness of legal and administrative mechanisms:**

1. **Improved legal frameworks:** Strengthening legal frameworks has led to increased convictions and deterrence of electoral malpractices.
2. **Voter registration improvements:** Robust voter registration processes have reduced instances of impersonation and fraud.
3. **Biometric authentication:** Biometric technologies have significantly reduced voter impersonation rates.
4. **Increased transparency:** Voter education and election observer missions have increased transparency in the electoral process, making it more difficult for malpractices to go undetected.
5. **Deterrent effect:** Imposing severe penalties for electoral malpractices has acted as a deterrent, reducing instances of bribery and intimidation.

**Challenges and limitations:**

1. **Limited resources:** Limited resources can hinder the effectiveness of these measures, particularly in developing countries with limited infrastructure and funding.
2. **Corruption:** Corruption among election officials can undermine the integrity of the electoral process.
3. **Lack of public awareness:** Insufficient voter education can lead to a lack of understanding about electoral malpractices, making it difficult to prevent them.
4. **Technical issues:** Biometric authentication systems can be vulnerable to technical glitches or hacking, which can compromise their effectiveness.

In conclusion, while legal and administrative mechanisms have been put in place to address electoral malpractices, there is still room for improvement. To enhance their effectiveness, it is essential to address the challenges and limitations identified above. This can be achieved by increasing funding for election administration, implementing robust voter education programs, and improving biometric authentication systems. Additionally, ensuring transparency and accountability in election management is crucial for maintaining public trust in the electoral process.