Title: National Film Award for Best Actor
Content:  first actor who won this award for two different films in the same year. As of 2020, Amitabh Bachchan is the most honoured actor with four awards followed by Kamal Haasan and Mammootty with three awards, while seven actors—Mohanlal, Sanjeev Kumar, Om Puri, Naseeruddin Shah, Mithun Chakraborty, Ajay Devgn and Dhanush—have won the award two times. Two actors have achieved the honour for performing in two languages—Mithun Chakraborty (Hindi and Bengali) and Mammootty (Malayalam and English). Riddhi Sen is the youngest recipient of the award at the age of 19. The most recent recipients are Manoj Bajpayee and Dhanush, who were honoured at the 67th National Film Awards for their performances in the films Bhonsle and Asuran respectively.
Title: National Film Award for Best Supporting Actor
Content:  (1984). As of the 2013 awards, three actors—Nana Patekar, Pankaj Kapur, and Atul Kulkarni—have been honoured twice. Patekar was awarded for the Hindi films Parinda (1989) and Agni Sakshi (1996). Kapur received the awards for his work in the Hindi films Raakh (1988) and Maqbool (2003). Kulkarni was awarded for his performances in the Tamil / Hindi film Hey Ram (1999) and the Hindi film Chandni Bar (2001). Paresh Rawal and Dilip Prabhavalkar have each won the award for two performances in a single year. Rawal received the award for his starring roles in the Hindi films Woh Chokri 
Title: National Film Award for Best Supporting Actor
Content:  and Sir (1993) at the 41st National Film Awards, while Prabhavalkar won at the 54th National Film Awards for his performances in the Hindi film Lage Raho Munna Bhai (2006) and the Marathi film Shevri (2006). At the 42nd National Film Awards, the award was tied between Ashish Vidyarthi and Nagesh, winning for their roles in the Hindi film Drohkaal (1994) and the Tamil film Nammavar (1994), respectively. The most recent recipient of the award is Vijay Sethupathi, who will be honoured at the 67th National Film Awards ceremony for his performance in the Tamil film Super Deluxe (2019).
Title: National Film Award for Best Actor
Content: 4 Wins: Amitabh Bachchan ; 3 Wins: Kamal Haasan & Mammootty ; 2 Wins: Sanjeev Kumar, Om Puri, Naseeruddin Shah, Mithun Chakraborty, Mohanlal, Ajay Devgn & Dhanush 
Title: Filmfare Critics Award for Best Actor
Content:  (Andhadhun) have all won the National Film Award for Best Actor, while Anupam Kher (Daddy) received a National Film Award - Special Jury Award / Special Mention (Film Critic). The Filmfare Critics Award for Best Actor is given by Filmfare as part of its annual Filmfare Awards for Hindi films. The record of the maximum number of wins in this category is with Amitabh Bachchan having won the award 4 times (2002, 2006, 2016 & 2021), then Manoj Bajpai 3 times (1999, 2000 & 2017), followed by four actors (in chronological order): Shahrukh Khan (1994 & 2001), Ranbir Kapoor (2010 & 2012), Rajkummar Rao (2014 & 2018) and Ayushmann Khurrana (2019 & 2020).      
Title: National Film Award for Best Actor
Content:  presented a total of 52 "Best Actor" awards to 40 actors. Until 1974, winners of the National Film Award received a figurine and certificate; since 1975, they have been awarded with a "Rajat Kamal" (silver lotus), certificate and a cash prize. Although the Indian film industry produces films in around 20 languages and dialects, the actors whose performances have won awards have worked in seven major languages: Hindi (twenty-five awards), Malayalam (fourteen awards), Tamil (eight awards), Bengali (five awards), Marathi and Kannada (three awards) and English (two awards). The first recipient was Uttam Kumar from Bengali cinema, who was honoured at the 15th National Film Awards in 1967 for his performances in Anthony Firingee and Chiriyakhana. He was also 
Title: Filmfare Award for Best Actor
Content: Dilip Kumar also holds the record for most consecutive wins, having won the award for three years in a row from 1956 to 1958. Six other actors have won the award in consecutive years; in chronological order, they are Rajesh Khanna (1971–72), Sanjeev Kumar (1976–77), Amitabh Bachchan (1978–79), Naseeruddin Shah (1981–82), Shah Rukh Khan (1998–99), and Ranbir Kapoor (2012–13). ; Actors who have won both Best Actor and Best Supporting Actor awards include Ashok Kumar, Sanjeev Kumar, Amitabh Bachchan, Shammi Kapoor, Anil Kapoor, Anupam Kher, Sunny Deol, Jackie Shroff, Nana Patekar, Farhan Akhtar, Rishi Kapoor and Irrfan Khan. ; Three actors were nominated for both these awards, Best Actor and Best 
Title: National Film Award for Best Supporting Actor
Content:  a cash prize of inr 50000. Including ties and repeat winners, the government of India has presented a total of 32 Best Supporting Actor awards to 29 different actors. Although Indian cinema produces films in more than 20 languages, the actors whose performances have won awards have worked in one or more of seven major languages: Hindi (17 awards), Tamil (9 awards), Bengali (3 awards), Malayalam (3 awards), Marathi (3 awards), Telugu (1 award), Kannada (1 award). The first recipient was Victor Banerjee, who was honoured at the 32nd National Film Awards for his performance in the Bengali film Ghare 
Title: Filmfare Award for Best Actor
Content:  Hrithik Roshan had 4 wins in the 2000s. Ranbir Kapoor led the 2010s with 3 wins to his credit. ; Amitabh Bachchan and Shah Rukh Khan hold the record for the highest number of Best Actor nominations in a single year. Amitabh Bachchan has been nominated thrice in 1979 and 1983 and Shah Rukh Khan in 2005. ; Dilip Kumar, Amitabh Bachchan and Shah Rukh Khan are the most awarded actors in the overall acting categories, with 8 awards each: Dilip Kumar and Shah Rukh Khan are the winners of eight Best Actor awards, and Amitabh Bachchan is the winner of five Best Actor awards and three Best Supporting Actor awards. 
Title: Telugu cinema
Content:  in Telugu films of the 1980s, has garnered national recognition for film editing across multiple languages of Indian cinema. N. T. Rama Rao, S. V. Ranga Rao, Jaggayya, Kanta Rao, Bhanumathi Ramakrishna, Anjali Devi, Suryakantam, Savitri, Krishnam Raju and Sobhan Babu are the actors who received the erstwhile Rashtrapati Award for best performance in a leading role. Nagarjuna Akkineni, Sharada, Archana, Vijayashanti, Rohini, Keerthy Suresh, and P. L. Narayana are the actors to receive the Indian National Film Award for best performance in acting. Veteran actor Chiranjeevi, was listed among "The men who changed the face of the Indian Cinema" by IBN-live India. Brahmanandam, holds a Guinness World Record for acting in the most films in the same language.

Question: which indian actor has won most national awards?
Answer: Amitabh Bachchan.