Why Hansika opts for guest role ?

Hansika Mothwani is the girl originated from Mumbai into Tollywood through ther flirst flick
Deshamuduru where in she starred as heroine in the flick with Allu Arjun. She played as heroine of N T R Jr. in Kantri. Now the same Meher Ramesh is remaking Tamil Billa in Telugu with Prabhas as hero.
Anushka and Namitha are doing female leads. Hansika is doing a special role in this film. Krishnam Raju plays a special role. Narendra produce this film on Gopi Krishna Movies banner.