The Bollywood classic (2000) is widely available for German-speaking audiences through official streaming services and physical media. Wo kann man den Film sehen?
It seems you're looking for the German-dubbed full movie ("ganzer Film") of Ishq Mein Marjawan or a similar title, but the phrasing "i mohabbatein" is unclear.
The Bollywood classic Mohabbatein (released in Germany as Denn meine Liebe ist unsterblich