R Vinay Kumar of Karnataka performed the hat trick against Mumbai in the Ranji Trophy Quarter final of 2017-18 to provide the 75^th occasion of a bowler performing the feat in the history of Ranji Trophy. All such occasions are listed below

No	Bowler	Teams	Ground	Season
1	M Baqa Jilani	N India v S Punjab	Amritsar	1934/35
2	Mubarak Ali	Nawanagar v W India	Poona	1936/37
3	TC Longfield	Bengal v Bihar	Calcutta	1937/38
4	JB Khot	Bombay v Baroda	Bombay-BS	1943/44
5	D Narottam	Kathiawar v Baroda	Dhrol	1947/48
6	SN Banerjee	Bihar v Delhi	Jamshedpur	1948/49
7	CT Sarwate	Holkar v Bihar	Jamshedpur	1948/49
8	PK Sen	Bengal v Orissa	Cuttack	1954/55
9	VM Muddiah	Services v E Punjab	Roshanara- Delhi	1955/56
10	VB Ranjane	Maharashtra v Saurashtra	Khadakvasla	1956/57
11	N Khanna	S Punjab v J & K	Patiala	1959/60
12	S Nyalchand	Saurashtra v Baroda	Dharangadhra	1961/62
13	HG Gaekwad	M Pradesh v Rajasthan	Jabalpur	1962/63
14	UN Kulkarni	Bombay v Gujarat	Anand	1963/64
15	SS Jhanji	U Pradesh v Vidarbha	VCA- Nagpur	1963/64
16	JS Rao	Services v J & K	Army HQ-Delhi	1963/64
17	JS Rao	Services v N Punjab	Amritsar	1963/64
18	JS Rao	Services v N Punjab	Amritsar	1963/64
19	Ravinder Pal	Delhi v S Punjab	Sector 16-Chandigarh	1965/66
20	BS Bedi	Delhi v Punjab	Delhi-FSK	1968/69
21	KR Gattani	Rajasthan v U Pradesh	Varanasi	1969/70
22	Mehboodullah Khan	U Pradesh v M Pradesh	Lucknow	1971/72
23	B Kalyanasundaram	Tamil Nadu v Bombay	Chepauk, Madras	1972/73
24	AM Ismail	Bombay v Saurashtra	Bombay	1973/74
25	AR Bhat	Karnataka v Bombay	Bangalore	1981/82
26	B Arun	Tamil Nadu v Goa	Panaji	1986/87
27	B Burman	Bengal v Tripura	Eden-Calcutta	1986/87
28	S Mohapatra	Orissa v Tripura	Cuttack	1987/88
29	SS Saini	Delhi v Him Pradesh	Delhi-FSK	1988/89
30	SA Ankola	Maharashtra v Gujarat	Pune	1988/89
31	J Srinath	Karnataka v Hyderabad	Secunderabad	1989/90
32	AS Singla	Haryana v Services	Gurgaon	1989/90
33	SP Mukherjee	Bengal v Hyderabad	Secunderabad	1989/90
34	V Venkatram	Bihar v Tripura	Jamshedpur	1990/91
35	RP Singh	U Pradesh v Vidarbha	Kanpur	1991/92
36	A Kumble	Karnataka v Andhra	Ukku-Visakhapatnam	1991/92
37	S Subramaniam	Tamil Nadu v Kerala	Thiruvalla	1992/93
38	PV Gandhe	Vidarbha v Rajasthan	Alwar	1993/94
39	Arshad Ayub	Hyderabad v Kerala	Kottayam	1993/94
40	S Sensharma	Bengal v Delhi	Eden-Calcutta	1993/94
41	M Suresh Kumar	Railways v Rajasthan	Karnail Singh-Delhi	1995/96
42	M Kartik	Railways v Vidarbha	Karnail Singh-Delhi	1996/97
43	A Kumble	Karnataka v Orissa	Rourkela	1997/98
44	A Katti	Karnataka v Kerala	Thalassery	1998/99
45	DK Devanand	Tamil Nadu v Orissa	Chepauk, Chennai	1998/99
46	A Mishra	Haryana v H Pradesh	Rohtak	2001/02
47	A Barik	Orissa v Assam	Balasore	2001/02
48	Gagandeep Singh	Punjab v U Pradesh	Mohali	2002/03
49	R Ramkumar	Tamil Nadu v Karnataka	Bangalore-IAF	2003/04
50	S Sreesanth	Kerala v Him Pradesh	Palakkad	2004/05
51	RV Pawar	Baroda v Hyderabad	Secunderabad	2004/05
52	RB Patel	Baroda v Tamil Nadu	Vadodara	2004/05
53	J Sharma	Haryana v Andhra	Lahli, Rohtak	2006/07
54	SK Cheruvathur	Kerala v Gujarat	Surat	2007/08
55	P Awana	Delhi v Maharashtra	Nagothane	2007/08
56	VR Singh	Punjab v Orissa	Mohali	2007/08
57	R Vinay Kumar	Karnataka v Maharashtra	Ratnagiri	2007/08
58	PV Gandhe	Vidarbha v Services	Palam A- Delhi	2008/09
59	SY Veragi	Baroda v Tamil Nadu	Vadodara	2008/09
60	A Mithun	Karnataka v U Pradesh	Meerut	2009/10
61	SM Fallah	Maharashtra v Baroda	Pune-PCG	2009/10
62	Dhruv Singh	Haryana v U Pradesh	Mohan Nagar	2010/11
63	P Suyal	Delhi v Assam	Roshanara-Delhi	2010/11
64	AN Ahmed	Assam v Goa	Guwahati	2011/12
65	SK Trivedi	Saurashtra v Punjab	Mohali	2011/12
66	KR Upadhyay	Railways v Punjab	Mohali	2011/12
67	Mohammed Shami	Bengal v M Pradesh	Indore	2012/13
68	RV Dhruve	Gujarat v Vidarbha	VCA- Nagpur	2013/14
69	S Aravind	Karnataka v Tamil Nadu	Bangalore	2014/15
70	Mohit Sharma	Haryana v Delhi	Rohtak	2014-15
71	HS Sharath	Karnataka v Haryana	Mysore	2015-16
72	Basant Mohanty	Orissa v Delhi	Bhubaneswar	2015-16
73	Umesh Yadav	Vidarbha v Rajasthan	Nagpur-VCA	2015-16
74	Rana Dutta	Tripura v Him Pradesh	Kalyani	2016-17
75	R Vinay Kumar	Karnataka v Mumbai	Nagpur-VCA	2017-18

R Vinay Kumar became the  third bowler to perform hat trick against Bombay in Ranji Trophy. Others are B Kalyanasundaram of Tamilnadu and AR Bhat of Karnataka. All the three  occasions are tabulated below

No	Bowler	Teams	Ground	Season
1	B Kalyanasundaram	Tamil Nadu v Bombay	Chepauk, Madras	1972/73
2	AR Bhat	Karnataka v Bombay	Bangalore	1981/82
3	R Vinay Kumar	Karnataka v Mumbai	Nagpur-VCA	2017-18

R Vinay Kumar’s feat provides the tenth occasion of a Karnataka bowler performing the Hat trick in Ranji Trophy. A Kumble and R Vinay Kumar performing the feat twice, All the ten occasions are listed below

No	Bowler	Teams	Ground	Season
1	AR Bhat	Karnataka v Bombay	Bangalore	1981/82
2	J Srinath	Karnataka v Hyderabad	Secunderabad	1989/90
3	A Kumble	Karnataka v Andhra	Ukku-Visakhapatnam	1991/92
4	A Kumble	Karnataka v Orissa	Rourkela	1997/98
5	A Katti	Karnataka v Kerala	Thalassery	1998/99
6	R Vinay Kumar	Karnataka v Maharashtra	Ratnagiri	2007/08
7	A Mithun	Karnataka v U Pradesh	Meerut	2009/10
8	S Aravind	Karnataka v Tamil Nadu	Bangalore	2014/15
9	HS Sharath	Karnataka v Haryana	Mysore	2015/16
10	Vinay Kumar	Karnataka v Mumbai	Nagpur-VCA	2017/18

A Kumble {02}. JSS Rao {03}, PV Gandhe {02} and R Vinay Kumar {02} are the four bowlers to get a hat trick in Ranji Trophy on two or more occasions. JSS Rao of Services is the only bowler to perform the feat in both innings of the match. He was representing Services and performed the rare feat against Northern Punjab at Amritsar in 1963-64

No	Bowler	Teams	Ground	Season
1	A Kumble	Karnataka v Andhra	Ukku-Visakhapatnam	1991/92
2	A Kumble	Karnataka v Orissa	Rourkela	1997/98
1	JS Rao	Services v J & K	Army HQ-Delhi	1963/64
2	JS Rao	Services v N Punjab	Amritsar	1963/64
3	JS Rao	Services v N Punjab	Amritsar	1963/64
1	PV Gandhe	Vidarbha v Rajasthan	Alwar	1993/94
2	PV Gandhe	Vidarbha v Services	Palam A- Delhi	2008/09
1	R Vinay Kumar	Karnataka v Maharashtra	Ratnagiri	2007/08
2	R Vinay Kumar	Karnataka v Mumbai	Nagpur-VCA	2017/18