What are some of the best thriller movies in Telugu and Tamil?

 In telugu following are the best

1. RAKSHASUDU

2. project z

3. ninnu veedani needanu nene

4. Garuda vega

5. KALKI

now in Tamil movies

1.kuttram 23

2. vikram vedha

3. paayum puli

4. Theeran Adhigaaram Ondru

5. Thuppaki

many are there in tamil and telugu but these are my all time favourite movies collection…