The win boosts Sudeva straight up to second place in the Relegation Table, only two points behind leaders Aizawl FC and two clear of TRAU in third. After this loss, Real Kashmir extended its winless streak to nine games.
Promoted to the top division of the Indian football league within two years of its inception, Real Kashmir finished third in the very first year.
With this loan signing, Real Kashmir also announced its official partnership with Oxford United, a collaboration that will present a number of opportunities
The Snow Leopards lie fourth in the league with 22 points from 15 games while TRAU are fifth with the same number of points, but having played two games more. Nothing but a win will satisfy both sides on Saturday.
East Bengal, with a man advantage for more than half of the game, dominated possession with 63 per cent of the ball against Real Kashmir.
Real Kashmir, who have strived on counter-attacking football and converting set-pieces to win games, will be looking for more of the same against the Kolkata giants.
The win propelled RKFC to the fifth spot in the standings with 18 points from 12 matches, only behind fourth-placed East Bengal on goal difference.
East Bengal looked for a late winner but in the end had to be contented with a draw as Real Kashmir defended resolutely.
Suhair VP came off the bench to be the difference between the two sides. The 27-year-old striker netted a brace in extra time (93th, 112th).
The Green and Maroon brigade are slowly and gradually improving their game under the Spanish coach Antonio Vicuna.
