Jyoti Randhawa and Gaurav Ghei slumped to the tied 23rd spot after returning a three-over 75 in the second round of the Omega Mission Hills World Cup in China on Friday.
The Indian pair, which was tied 11th yesterday with a 65, slipped down with a total of four-under 140 alongside Filipinos Tony Lascuna and Gerald Rosales and Japan's Hideto Tanihara and Tetsuji Hiratsuka after both the teams settled for a 73.
Americans Boo Weekley and Heath Slocum took the sole lead with a total of 14-under 130 after carding a three-under 69 in the second round of the 28-team event.
The English pair of Justin Rose and Ian Poulter along with the Scottish duo of Colin Montgomerie and Marc Warren were a shot adrift at the tied second spot after returning an identical 68.
South Africans Retief Goosen and Trevor Immelman carded a 69 to take the third spot with a total of 16-under 132.
Meanwhile, among the other Asian contenders in the event, Thailand' s Thongchai Jaidee and Prayad Marksaeng endured a frustrating day with a 76 to slip back to tied 19th place.
The Korean pair of Lee Sung and Lee Seung-ho were four shot off the pace after firing a 69 to total 134 along with the Dutch duo of Robert-Jan Derksen and Maarten Lafeber, who also carded a 69.
Lee Sung, a winner on the Asian Tour, was born deaf and has to communicate with his partner through lip-reading.