Concept:
Artificial Insemination (AI) is a key reproductive technology used to improve genetic quality of livestock. Government programmes promote doorstep delivery to ensure accessibility for farmers.
Step 1: Understanding Artificial Insemination Services
• AI involves depositing semen into female reproductive tract.
• Helps improve breed quality and milk production.
• Doorstep delivery ensures accessibility in rural areas.
Step 2: Rashtriya Gokul Mission (B)
• Focuses on conservation and development of indigenous cattle.
• Promotes AI services at farmer’s doorstep.
• Improves genetic upgradation.
Step 3: Evaluating Other Options
• National Livestock Mission → Broad livestock development, not specific to doorstep AI
• National Programme for Dairy Development → Focus on dairy infrastructure
• AHIDF → Financial support for infrastructure, not AI delivery
Final Conclusion:
\[
\boxed{\text{Rashtriya Gokul Mission}}
\]