Sure, here are some popular Bollywood and Hollywood songs that you might consider downloading as ringtones. Keep in mind that you should ensure you have the necessary rights to use these songs as ringtones:
Bollywood:
"Tum Hi Ho" from Aashiqui 2
"Dil Diyan Gallan" from Tiger Zinda Hai
"Kal Ho Naa Ho" from Kal Ho Naa Ho
"Tera Hone Laga Hoon" from Ajab Prem Ki Ghazab Kahani
"Jeene Laga Hoon" from Ramaiya Vastavaiya
"Tujh Mein Rab Dikhta Hai" from Rab Ne Bana Di Jodi
"Channa Mereya" from Ae Dil Hai Mushkil
"Zara Zara" from Rehnaa Hai Terre Dil Mein
"Gerua" from Dilwale
"Raabta" from Agent Vinod
all the above songs are downloaded here, here provide many other suonerie telefono genres