Bikini treat in Rudramadevi?

Beauties wearing bikinis is most common in the glamour industry. But one can dare to do that in mythological and historical films.  There is bikini treat in Gunasekhar's historical film Rudramadevi. 

This is making many Questions how come bikinis appear in the age of kings. The film's shooting featuring Gunasekhar,Rana is currently progressing in Kuntala water falls where a romantic song is being filmed on the lead pair. 

In the song Anushka should be shown bathing in a pond. But it odd to look if one shows heroine with saree immersed in a pond.  So insiders say Anushka wore a bodylight skin suit for the scene. 

But those who watched Anushka got an impression that she wore bikini for that  song only.