This is not unknown to New Delhi.
1	This	this	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	4:nsubj	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	not	not	PART	RB	_	4	advmod	4:advmod	_
4	unknown	unknown	ADJ	JJ	Degree=Pos	0	root	0:root	_
5	to	to	ADP	IN	_	7	case	7:case	_
6	New	New	ADJ	NNP	Degree=Pos	7	amod	7:amod	_
7	Delhi	Delhi	PROPN	NNP	Number=Sing	4	obl	4:obl:to	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	4:punct	_
