in the Balaji serials, songs which r played in the background r film songs, which they steal easily and put their stupid dialouges in it. here is some of them LIST
iN KAVYA ANJALI: the song, Hum bewafa hargiz na the which was actually sung by Shaan, they changed it and made it bla bla bla, and some times the wordings r just horrible.
In kahin to hoga: the song THORA SA PYAR HUA HAI, which was from film MAINE DIL TUJHKO DIYA,
and there r many more