Formal:
* Aasmaan chhe hum tumhare liye (आस्मान छे हम तुम्हारे लिये) - This translates to "You are my sky" and is a very poetic way of expressing love.
* Tum mere dil mein ho (तुम मेरे दिल में हो) - This means "You are in my heart."
Informal:
* Mai tumse pyar karta/karti hoon (मै तुमसे प्यार करता/ करती हूं) - This is the most common and direct translation of "I love you."
* Mai tumhare piyar chhe (मै तुम्हारे प्यार छे) - This means "I am your love."
* Mai tumse bahut pyar karta/karti hoon (मै तुमसे बहुत प्यार करता/ करती हूं) - This translates to "I love you very much."
Other options:
* Tujh te piyar karsan (तुझ ते प्यार कर्सन) - This is a more informal and endearing way to say "I love you."
* Tujh te dil chhe (तुझ ते दिल छे) - This means "I have a heart for you."
Remember that the best way to express love is in a way that feels natural and sincere.