Hum Dil De Chuke Sanam's influence on Ninnu Kori!

Nani's 'Ninnu Kori' is readying up for grand release on 7th July and the theatrical trailer has received thumbs up. Even Rajamouli tweeted that the trailer made him ache for its release. But after the launch of theatrical trailer, murmur is being heard that it is copy of Sanjay Leela Bhansali's blockbuster 'Hum Dil De Chuke Sanam'.
The trailer suggests that the basic plot and several sequences from the movie are taken for 'Ninnu Kori'. EVV Satyanarayana also made the similar movie called 'Kanya Danam'. Dasari Narayana Rao's 'Swayamavaram' had the same plotline - the triangle story between a husband, his wife and her former lover.
It is directed by newcomer Siva Nirvana. Kona Venkat has written the dialogues. 'Ninnu Kori' has Niveda Thomas and Aadi Pinishetty in other lead roles.