GH Vihari of India scored 111 and 53 not out in the ongoing test against West Indies to provide the 12^th occasion of a batsman scoring a Nelson and a fifty in a test. All such occasions are tabulated below

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	AW Nourse	64	111	SAF	Aus	Jo’burg	12 Nov 1921
2	CAG Russell	140	111	Eng	SAF	Durban	16 Feb 1923
3	WM Woodfull	68	111	Aus	Eng	Sydney	14 Dec 1928
4	WJ Edrich	111	54	Eng	Aus	Leeds	22 Jul 1948
5	Hanif Mohd	111	104	Pak	Eng	Dhaka	19 Jan 1962
6	SM Gavaskar	111	137	Ind	Pak	Karachi	14 Nov 1978
7	LRD Mendis	111	94	Srl	Srl	Lord’s	23 Aug 1984
8	Taufeeq Umar	75	111	Pak	Zim	Harare	09 Nov 2002
9	Taufeeq Umar	111	63	Pak	SAF	Lahore	17 Oct 2003
10	ML Hayden	111	77	Aus	ICC	Sydney	14 Oct 2005
11	JH Kallis	111	50*	SAF	Aus	Sydney	02 Jan 2006
12	GH Vihari	111	53*	Ind	Win	Kingston	30 Aug 2019

GH Vihari of India scored 111 and 53 not out in the ongoing test against West Indies to provide the second occasion of an Indian batsman scoring a Nelson and a fifty in a test after SM Gavaskar. SM Gavaskar had scored 111 and 137 against Pakistan at Karachi in Nov 1978. All such occasions are tabulated below

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	SM Gavaskar	111	137	Ind	Pak	Karachi	14 Nov 1978
2	GH Vihari	111	53*	Ind	Win	Kingston	30 Aug 2019

CAG Russell, Hanif Mohammad and SM Gavaskar are the  three batsmen in the annals of test cricket to score a Nelson coupled with a century in a test. The following table lists the performance of these three batsmen

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	CAG Russell	140	111	Eng	SAF	Durban	16 Feb 1923
2	Hanif Mohd	111	104	Pak	Eng	Dhaka	19 Jan 1962
3	SM Gavaskar	111	137	Ind	Pak	Karachi	14 Nov 1978

Taufeeq Umar of Pakistan is the only batsman to perform such a feat on two occasions. He scored 75 and 111 against Zimbabwe in Nov 2002 and 111 and 63 against South Africa at Lahore in Oct 2003. The  following table lists both the occasions

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	Taufeeq Umar	75	111	Pak	Zim	Harare	09 Nov 2002
2	Taufeeq Umar	111	63	Pak	SAF	Lahore	17 Oct 2003