Here are a few options for a catchy and SEO-friendly news title, playing with different angles:

Option 1 (Direct & Strong):

• Indian Man Arrested in Germany for Alleged Murder of American Girlfriend
• Germany Arrests Indian Man Fleeing US After Alleged Murder of 19-Year-Old

Option 2 (Emphasizing International Aspect):

• International Manhunt Ends: Indian Suspect in US Girlfriend’s Murder Captured in Germany
• From US to Germany: Indian National Held for Alleged Murder of Teen Girlfriend

Option 3 (Focusing on the Escape/Capture):

• Fugitive Caught: Indian Man Arrested in Germany for Alleged Murder of American Teen
• Cross-Border Crime: Indian Murder Suspect Apprehended in Germany After Fleeing US

Option 4 (A Bit More Sensational, but still factual):

• Shocking Allegations: Indian Man Arrested in Germany for Alleged Murder of American Girlfriend

SEO Considerations for all options:

• Keywords: "Indian Man," "American Girlfriend," "Murder," "Arrested," "Germany," "Fleeing US," "19-Year-Old." These are all included or strongly implied.
• Clarity: Titles are clear and immediately convey the core information.
• Conciseness: Titles are relatively short and to the point.
• Action Verbs: "Arrested," "Caught," "Apprehended," "Captured."

Which one to choose depends on your target audience and the overall tone of your publication. For a more straightforward news outlet, Option 1 or 2 would be good. For a more dramatic angle, Option 3 or 4 could work.