The 31st Filmfare Awards were held in 1984, with the Indian New Wave Cinema at its peak.
Betaab and Masoom led this edition of the award in terms of nomination, with 8 each, followed by Arth with 7 nominations and Ardh Satya with 6.
Ardh Satya and Masoom, both notable films of the Parallel Cinema genre, won 5 awards each, thus becoming the most-awarded films at the ceremony, with the former winning Best Film, Best Director (for Govind Nihalani) and Best Supporting Actor (for Sadashiv Amrapurkar), and the latter winning Best Actor (for Naseeruddin Shah).
Shabana Azmi set an unmatched record, becoming the only performer to receive 4 nominations for an award in a single year, earning 4 nominations for Best Actress for her performances in Arth, Avtaar, Mandi and Masoom, winning the award for Arth.
Naseeruddin Shah received dual nominations for Best Supporting Actor for his performances in Katha and Mandi, but lost to Sadashiv Amrapurkar who won the award for Ardh Satya.
Main awards
Best Film Ardh Satya Arth Avtaar Betaab Masoom
Best Director Govind Nihalani – Ardh Satya Mahesh Bhatt – Arth Mohan Kumar – Avtaar Rahul Rawail – Betaab Shekhar Kapoor – Masoom
Best Actor Naseeruddin Shah – Masoom Kamal Haasan – Sadma Om Puri – Ardh Satya Rajesh Khanna – Avtaar Sunny Deol – Betaab
Best Actress Shabana Azmi – Arth Shabana Azmi – Avtaar Shabana Azmi – Mandi Shabana Azmi – Masoom Sridevi – Sadma
Best Supporting Actor Sadashiv Amrapurkar – Ardh Satya Amitabh Bachchan – Andha Kanoon Naseeruddin Shah – Katha Naseeruddin Shah – Mandi Raj Babbar – Agar Tum Na Hote
Best Supporting Actress Rohini Hattangadi – Arth Padmini Kolhapure – Souten Rekha – Mujhe Insaaf Chahiye Smita Patil – Arth Smita Patil – Mandi
Best Comic Actor Utpal Dutt – Rang Birangi Deven Verma – Rang Birangi Dharmendra – Naukar Biwi Ka Kader Khan – Himmatwala Shakti Kapoor – Mawaali
Best Story Ardh Satya – S.D. Panwalkar Arth – Mahesh Bhatt Avtaar – Mohan Kumar Betaab – Javed Akhtar Sadma – Balu Mahendra
Best Screenplay Ardh Satya – Vijay Tendulkar
Best Dialogue Arth – Mahesh Bhatt
Best Music Director Masoom – R.D. Burman Betaab – R.D. Burman Hero – Laxmikant–Pyarelal Razia Sultan – Khayyam Souten – Usha Khanna
Best Lyricist Masoom – Gulzar for Tujhse Naraaz Nahin Agar Tum Na Hote – Gulshan Bawra for Agar Tum Na Hote Betaab – Anand Bakshi for Jab Hum Jawaan Honge Souten – Saawan Kumar for Shayad Meri Shaadi Ka Khayal Souten – Saawan Kumar for Zindagi Pyaar Ka Geet
Best Playback Singer, Male Agar Tum Na Hote – Kishore Kumar for Agar Tum Na Hote Betaab – Shabbir Kumar for Jab Hum Jawaan Honge Betaab – Shabbir Kumar for Parbaton Se Aaj Ek Jaan Hain Hum – Shabbir Kumar for Yaad Teri Aayegi Souten – Kishore Kumar for Shayad Meri Shaadi Ka Khayal
Best Playback Singer, Female Masoom – Aarti Mukherjee for Do Naina Ek Kahani Hero – Anuradha Paudwal for Tu Mera Hero Hai Laal Chunariya – Chandrani Mukherjee for Aaja Ke Teri Raahon Mein
Best Art Direction Razia Sultan
Best Cinematography Vijeta
Best Sound Vijeta
Best Editing Vijeta
Critics' awards
Best Film Masoom
Best Documentary Veer Savarkar
Most Wins Ardh Satya – 5/6 Masoom – 5/8 Vijeta – 3/3 Arth – 3/7 Betaab – 0/8
References https://www.imdb.com/event/ev0000245/1984/
See also 55th Filmfare Awards Filmfare Awards