new delhi india disappoint china decision block request unite nations blacklist head pakistan-based militant group country foreign ministry say statement thursday india back unite state try get maulana masood azhar u.n. list group tie al qaeda blame group series attack india include one parliament 2002 another last year airbase china member u.n. security council repeatedly put technical hold indian request cite lack consensus claim india reject deeply disappoint single country block international consensus designation acknowledge terrorist leader u.n.-designated terrorist organization masood azhar india foreign ministry say china foreign ministry spokeswoman hua chunying say last month clear rule list person group terrorist china always believe relevant u.n. committee operate principles objectivity wrangle masood azhar longtime indian foe become thorny issue tie china india india worry china stick all-weather friend india arch-foe pakistan india strongly believe double standards selective approach undermine international community resolve combat terrorism india foreign ministry say india `` disappoint `` china block bid blacklist militant leader