A Bidyashagar Singh brace, coupled with strikes by Mayosing, Komron Tursunov, and Chanso Horam led Nandakumar Singh's men to a win after Harsh Patre's magical free-kick had reduced the deficit for the Arrows.
Clayvin Zuniga's 16th-minute strike was enough to give Fernando Varela's side all three points in a game full of chances.
I-League 2021: Gurpanthjeet Singh's solitary goal sees Indian Arrows pick up first win; Aizawl held by Sudeva
The AIFF's developmental side displayed heroic defending and goalkeeping after Gurpanthjeet's goal in the 26th minute to beat the Black Panthers in the first-ever encounter between the two sides in the I-League.
With the result, the Punjab side have now displaced Churchill Brothers on the summit of I-League points table with 14 points from eight outings — one point ahead of the Red Machines, who have played one game less.
I-League 2021: Papa Babacar Diawara scores brace as Punjab FC beat Indian Arrows, Chennai City, TRAU win
A brace from Papa Babacar Diawara (35th and 56th) ensured Punjab FC all three points despite a late goal by Vellington Fernandes (87th).
I-League 2021: Churchill Brothers' top-of-the-table clash with Real Kashmir ends in stalemate; Mohammedan SC win
The top of the table clash between Churchill and Real Kashmir was certainly embedded with fireworks right from kick-off as neither team held back in the opening minutes of the match.
TRAU have been the dark horses of the season so far. The team from Manipur is undefeated in the league and has grabbed seven points from five matches, albeit winning only once.
After being held to back-to-back draws by Sudeva FC and Gokulam Kerala, Real Kashmir find themselves at fifth spot on the I-League table.
Both the teams create scoring chances but the match ended in a stalemate as neither side was able to convert inside the box.
With the draw, Gokulam Kerala FC find themselves with seven points after five matches while Real Kashmir are one behind with six points after four games, having missed out on a chance to go second in the table.
Punjab are in sixth place with four points, while Sudeva are struggling in ninth place with the same number of points.
I-League 2021: Real Kashmir held to draw by Sudeva Delhi; Clayvin Zuniga powers Churchill Brothers to win
Goals by Komron Tursunov in the second minute and Helder Lobato in first-half stoppage time were cancelled out by headers from Nikhil Kadam and Hira Mondal in the 58th and 68th minutes respectively, as both the teams shared points at the end of the 90 minutes.
I-League 2021: Dipanda Dicka, Lalrindika Ralte help Real Kashmir beat Chennai City, register first win of season
Although Chennai City FC dominated possession for much of the match, Real Kashmir's counter-attacking style of play earned them the win.
I-League 2021: Gokulam Kerala fight back to beat Punjab FC in seven-goal thriller; Churchill Brothers hold Mohammedan
In a tactical match where chances were few and far between, both teams cancelled each other out in the middle of the park, sharing the spoils of the match.
I-League 2021: Hat-trick hero Clayvin Bernardez powers Churchill Brothers to win; Real Kashmir, TRAU play out draw
Bernardez struck in the 35th, 58th and 69th minutes while Majcen was on target in the second and 75th minute.
I-League 2021: Churchill Brothers face tricky opponents Indian Arrows as Goa-based outfit seek winning start
Churchill Brothers are eyeing their third trophy in the coming season and head coach Fernando Varela, who was in the Gokulam Kerala FC dugout last season, stressed on the importance of making a winning start.
RKFC head coach David Robertson said the success in the IFA Shield has given his players added motivation to do well in the I-League.
Vijay Naggapan's 50th-minute strike proved to be the difference between the two sides after Gokulam Kerala's third-minute strike by Dennis Antwi was cancelled out by Elvedin Skrijelj's 26th-minute penalty.
The first club from the national capital to play in the I-League, Sudeva Delhi FC have opted for an all-Indian squad in their first season.