Tracing the life of Maratha warrior Tanaji Malusare, it stars Ajay Devgn as the eponymous lead, Kajol and Saif Ali Khan.

[6] Set in the 17th century, it revolves around Tanaji's attempts to recapture the Kondhana fortress once it passed on to Mughal emperor Aurangzeb who transfers its control to his trusted guard Udaybhan Singh Rathore.

[12] The film received wide critical and public praise for Devgn and Khan's performances, the visual effects, cinematography, action sequences, art direction, music, score, and editing.

In 1665, the Mughal Emperor, Aurangzeb, dispatches his uncle and trusted general, Maharaja of Amber, Jai Singh, to capture Shivaji, which will stop his rapid imperial expansion into the Deccan Plateau.

Shivaji plans to recapture Kondhana, considering himself to lead the campaign as Tanhaji, though an able general, cannot be employed due to his son, Rayba's upcoming wedding.

Chandraji Pisal, a Maratha general, who is attempting to usurp Shivaji's throne, discloses the secret plan to Tanhaji at his nephew, Chultya's recommendation.

Udaybhan hangs the guards responsible for Tanhaji's escape and Jagat Singh agrees to get Kamla Devi married to him, on Ashtami's eve.

Later, Shivaji personally oversees Rayba's marriage, while Savitri Bai fulfill's her promise to Tanhaji by adorning herself as a bride behind closed doors, as she awaits his return.

[28] On 2 August 2018, Bhushan Kumar of T-Series,[29] undertook the project in collaboration with Ajay Devgn's production company and planned to start the shoot in end of September.

[citation needed] In the making video of the film, Raut stated: "Creating the 300-foot (91 m) long gorge inside a theatre was extremely difficult," adding that the production designers "went and took moulds of the stones and rocks which are there in the valley and they built a wall.

[citation needed] In January 2019, the team kicked off a song shoot which has been mounted on a lavish scale and that a special set was erected for this number.

The album features four tracks with vocals by Mehul Vyas, Adarsh Shinde, Sukhwinder Singh, Shreya Ghoshal, Sachet Tandon, Parampara Thakur, Ganesh Chandanshive,Harshdeep Kaur and Prasenjit Kosambi.

Debarati Sen of The Times of India, writing for the soundtrack album in her review, praised "Maay Bhavani" stating "Ajay-Atul has excelled in the beautiful merging of different tempos, and deftly woven in the varied nuances of classical and folk in one single package.

[56][57] In a letter written to the crew members, dated 20 November 2019, the organization had alleged that the film has intentionally tried to erase Shivaji Maharaj's secular image.

[61][62] The Akhil Bhartiya Kshatriya Koli Rajput Sangh had filed a petition in Delhi High Court on 13 December 2019, claiming that its director Om Raut has concealed the true lineage of the great warrior Tanaji Malusare in the movie.

[68] Later on 13 January, Devgn hosted special screening of the film, for 600 school children at the Inox Megaplex in Mumbai, to know about the history of Tanaji Malusare.

[78] A review over the Hindustan Times noted it to be a magnificent work, which had exceptional individual performances, a captivating story-line and excellent virtual effects.

[79] Namrata Joshi of The Hindu noted of the film to have started off well, before floundering in the middle but regaining brilliance at the end, delivering a catharsis and adrenaline rush.

[80] Uday Bhatia of The Mint noted it to be a silly cartoon history, which borrowed its physics from Prince of Persia, but nonetheless consisted of fluent actions and interesting individual performances.

[82] Tanul Thakur of The Wire noted it to be a work that had excellent cinematography but was intensely buoyed down by its ahistorical religio-nationalist propaganda, catering to the overall saffronization of India.

[83] Shubhra Gupta over The Indian Express noted it to offer a "simplistic, dressed-up slice of the past" that painted hyperbolic tales of Maratha bravery with a Hindu fervor.

[84] Sukanya Verma of Rediff noted it to be a mythical retelling of history with a bout of saffron fervor; individual performances and choreography of combat sequences were praised.

[85] Rajeev Masand noted it to be a dubiously stereotyped fictional work, which appealed to the hyper-nationalistic climate but had robust filmography, visceral battle scenes, and superb individual performances.

[87] Stutee Ghosh of The Quint noted it to be a visually stunning film with strong individual performances, despite its broad liberties with historical accuracy and problematic prejudices.

"[90] Harshada Rege of The Times of India gave four out of five stars and stated "Tanhaji: The Unsung Warrior scores on various counts – superior performances, powerful action, visual impact, and most of all, it unfolds a story from the pages of history that deserved to be told, with just this kind of intensity, passion and vigor.

"[91] Sify gave the film 3 out of 5 stars stating "Tanhaji is substantially enriched by its technical crew that has worked to create a splendid canvas for the cast to shine upon.

"[93] Rohit Vats of News18 gave three-and-a-half out of five stars stating "Devgn and Khan ensure that the viewers get enough dose of high-voltage dialogues, along with fascinating action scenes.

"[94] Nandini Ramnath of Scroll stated "Tanhaji loudly sings its hero’s praises, creating a spectacle that is thrilling when in battle mode and troubling when considering the dynamic between the Marathas and the Mughals.

[97] Suparna Sharma of Deccan Chronicle gave three out of five stars stating "Tanhaji: The Unsung Warrior, whose plot is essentially a march towards the battle, is not a bad film.

"[98] A critic from Daily News and Analysis gave three out of five stars stating "Watch it for the magnificent performances by Kajol and Khan who clearly outshine this Devgn-led vehicle.