The point preserves Bengaluru's three-point advantage at the top while Mumbai City are second with 21 points.
NorthEast United are currently in second spot with 20 points from 11 games while ATK are still sixth with 16 points from as many games.
Kerala Blasters have been winless at home this season and have not picked up full points since their opening round win against ATK.
The result sees Bengaluru FC preserve their four-point advantage over NorthEast United at the top of the table.
Carlos Calvo put Jamshedpur ahead in the 66th minute before Seiminlen Doungel's equaliser in the 77th minute ensured the spoils were shared.
Mumbai City FC climbed to the fourth spot in the table, while Delhi Dynamos are rooted to the bottom without a win to their name.
ATK continued to test the Chennaiyin defence on occasions but the defending champions hit back in the 24th minute against the run of play.
Delhi Dynamos, who are rock bottom of ISL 2018, host fifth-placed Mumbai City FC at the Jawaharlal Nehru Stadium on Monday.
NorthEast United pushed FC Goa down to the third position with a one-point lead.
Bengaluru FC's 2-1 win over FC Pune City helped them extend their lead at the top of the ISL 2018 table to five points.
Chennaiyin FC are now placed eighth in the league with just five points from nine matches.
The draw meant that ATK remained in the sixth position while Goa climbed a spot to second.
NorthEast United FC continued their unbeaten run away from home and climbed to the second spot.
Udanta Singh notched the winner for Bengaluru FC in captain Sunil Chhetri's 150th game.
After this game, Mumbai City and ATK are placed at fourth and sixth spots respectively.
NorthEast United's are now placed third on the ISL table with 14 points from seven matches.
Bengaluru FC are the only unbeaten side in the Indian Super League.
The win lifted FC Pune City from the foot of the ISL points table to the eighth position.