ISLAMABAD - India said Thursday it was "disappointed" by China again delaying a bid to blacklist the leader of a Pakistan-based militant group that claimed a massive suicide bombing in Kashmir last month.
The blast on February 14 killed 40 Indian troops and triggered tit-for-tat air strikes and an aerial dogfight in the most serious bust-up in years between New Delhi and Islamabad.
Although the suicide bomber was native to the part of Kashmir that Indian controls, the attack was claimed by Jaish-e-Mohammad (JeM), one of several militant groups based in Pakistan.
China on Wednesday put on hold a request by Britain, France and the United States to add the leader of JeM, Masood Azhar, on a UN sanctions blacklist which would subject him to a global travel ban, an assets freeze and an arms embargo.
China -- an all-weather ally of Pakistan which has blocked three similar moves -- said it needed more time to examine the sanctions request targeting Azhar, and asked for a technical hold which could last up to nine months.
In a statement, the Indian foreign ministry said it "was disappointed by the outcome", adding it would continue to pursue all avenues to make sure "terrorist leaders who are involved in heinous attacks on our citizens are brought to justice".
China has blocked three previous attempts at the committee on sanctions against Al-Qaeda and IS-linked groups to blacklist the JeM leader. The group itself was added to the UN terror list in 2001.
India 's main opposition leader Rahul Gandhi used the opportunity to mock Prime Minister Narendra Modi, who is seeking re-election in a national ballot starting next month.
China 's move on Azhar also triggered a storm of anti-Chinese sentiment on Twitter with #BoycottChinaProduct attracting hundreds of tweets.