Messi opened the scoring after two minutes and eight seconds, the quickest goal of his career, slipping the ball through Thibaut Courtois' legs from a tight angle.
Bengaluru now have two draws in a row and their first clean sheet but languish at second-last with just six points.
News of all that's transpired on and off the football field
A round-up of Wednesday's action in the UEFA Champions League.
Barcelona coach Ernesto Valverde's conservatism was cited by the Spanish media as the main reason for their 3-0 defeat at AS Roma on Tuesday that led to a shock Champions League quarter-final elimination being regarded as 'a historic debacle'.
The Argentine then lifted his shirt to reveal a red and black replica kit of his hometown club Newell's Old Boys bearing the number 10 which Maradona wore during his brief spell at the Rosario side in 1993.
Real and Barca have won the title in 15 of the last 16 seasons, with Atletico breaking the duopoly in 2014.
Here are five talking points from the weekend in La Liga:
Here are five talking points from the weekend's action in La Liga.
Last season's top scorer Robert Lewandowski found the net with a 31st-minute penalty to become the first player to score in 10 successive appearances against the same Bundesliga opponents.
The draw means second-placed Atletico Madrid could close the 12-point gap with Barcelona, who are on 74 points, if they beat Celta Vigo later on Saturday.
After playing the most soporific game of the World Cup so far, France will feature in a seismic last-16 clash of former champions with a resurgent Argentina on Saturday, and they will have to drastically improve if they are to stop Lionel Messi.
Koeman grateful for Messi support in transitional season for Barca.
Teenager Kylian Mbappe scored twice to give AS Monaco a 3-2 win at Borussia Dortmund on Wednesday in a Champions League quarter-final first-leg match that was postponed following an attack on the home team's bus.
France showed the full range of their attacking weapons as they continued their preparations for the World Cup in convincing fashion with a 3-1 win over Italy in a friendly on Friday.
Former European Cup winners Celtic and Ajax Amsterdam safely negotiated tricky Champions League third-round qualifying ties on Wednesday to move one step away from the lucrative group stage.
Barcelona were held to a frustrating 0-0 draw at Olympique Lyonnais in their Champions League last-16 first leg on Tuesday as both sides remained unbeaten in this season's competition.
Barcelona rode their luck to come from behind and win 2-1 at Real Sociedad on Saturday, continuing to banish their awful record in San Sebastian and maintaining their perfect start to the La Liga season.
Karim Benzema scored his sixth goal in four games as Real Madrid beat Alaves 3-0 on Sunday for a fourth successive La Liga victory which took the European champions to within eight points of leaders Barcelona.
Images from Tuesday's action in the UEFA Champions League.
Barcelona beat third-placed Getafe 2-1 at home on Saturday to stay on the heels of La Liga title rivals Real Madrid but the champions were made to sweat for all three points by the impressive visitors. Antoine Griezmann sent the Catalans ahead in the 34th minute with a cool finish with the outside of his left foot after being played in by an outstanding pass from Lionel Messi, while Sergi Roberto doubled Barca's lead five minutes later.
Manchester United will be without world record signing Paul Pogba for their Premier League opener against Bournemouth on Sunday due to a suspension, the Football Association said on Friday.
Barcelona travel to newly-promoted Osasuna without their first choice front line.
Featuring Neymar, Coutinho, Dembele, Pogba, Bale...
Barcelona restored their lead at the top of La Liga standings to nine points after Lionel Messi and Luis Suarez each scored in a routine if underwhelming 3-0 win at home to struggling Levante on Sunday, with Paulinho increasing their lead in added time.
Barcelona manager Ernesto Valverde said the football world must get used to the idea that Lionel Messi will retire in the near future.
Lionel Messi insisted his fifth-place finish in Monday's Ballon d'Or awards was not a motivating factor behind his sensational performance in Barcelona's 4-0 thrashing of local rivals Espanyol in La Liga on Saturday.
The home side spurned two chances to extend their advantage before the break but Barca levelled in the 52nd minute when Luis Suarez glanced in Lionel Messi's free kick.
Barcelona forwards Lionel Messi, Philippe Coutinho and Luis Suarez combined to devastating effect to hammer Girona 6-1 on Saturday as they went 10 points clear at the top of La Liga and set a club record of 32 games unbeaten in the league.
Atletico Madrid won the La Liga title for the first time since 2014
Ansu Fati is the second-youngest player to represent the Catalan giants in La Liga aged 16 years and 298 days.
Barcelona are keen to sign the Brazilian playmaker, who joined Liverpool from Inter Milan for 8.5 million pounds ($11.03 million) in 2013, and have already had an initial bid worth 80 million euros rejected by Liverpool last month.
While Pep Guardiola has brought two Premier League titles, smashed records and produced some of the most glorious football the club's fans have ever seen -- European success remains elusive to his team.
Barcelona twice threw away the lead to draw 3-3 at Levante on Tuesday in a potentially fatal blow to their chances of winning the La Liga title.
Liverpool's Brazil midfielder Philippe Coutinho is on the verge of signing for La Liga leaders Barcelona in a club-record deal, according to Spanish media reports.
Manchester City again splashed the cash on transfer deadline day but it was old hands Yaya Toure, Edin Dzeko and Carlos Tevez who secured a 3-1 Premier League victory over Queens Park Rangers on Saturday.
Chelsea, however, were unlucky after they were again denied by the woodwork.
Atletico Madrid fell to their heaviest league defeat of the season
In his absence, the league champions have made a lacklustre start to the season, losing their opening game to Athletic Bilbao before taking just four points from fixtures against Real Betis and Osasuna.
Images from the UEFA Champions League matches played on Tuesday night.