There are 60 countries that have visa-free or visa-on-arrival entry to India as of August 4, 2023. Passport holder of these countries are eligible for visa on arrival or visa free entry in India. The list of countries is as follows:

1. Antigua and Barbuda
2. Argentina
3. Bahamas
4. Barbados
5. Belize
6. Bhutan
7. Bolivia
8. Brazil
9. Brunei
10. Cambodia
11. Cape Verde
12. Chile
13. Colombia
14. Cook Islands
15. Dominica
16. Fiji
17. Gambia
18. Grenada
19. Guyana
20. Haiti
21. Hong Kong (SAR China)
22. Indonesia
23. Iran
24. Israel
25. Jamaica
26. Kazakhstan
27. Kiribati
28. Laos
29. Macao (SAR China)
30. Maldives
31. Malaysia
32. Mauritius
33. Mexico
34. Micronesia
35. Mongolia
36. Montserrat
37. Myanmar
38. Namibia
39. Nauru
40. Nepal
41. Nicaragua
42. Niue
43. Oman
44. Palau
45. Paraguay
46. Peru
47. Philippines
48. Qatar
49. Saint Kitts and Nevis
50. Saint Lucia
51. Saint Vincent and the Grenadines
52. Samoa
53. Senegal
54. Serbia
55. Seychelles
56. Singapore
57. Solomon Islands
58. South Africa
59. South Korea
60. Sri Lanka
61. Suriname
62. Swaziland
63. Taiwan
64. Tajikistan
65. Tanzania
66. Thailand
67. Timor-Leste
68. Togo
69. Tonga
70. Trinidad and Tobago
71. Tuvalu
72. Uganda
73. Ukraine
74. United Arab Emirates
75. Uruguay
76. Uzbekistan
77. Vanuatu
78. Venezuela
79. Zambia
80. Zimbabwe

Citizens of these countries can either enter India without a visa or obtain a visa on arrival at a designated port of entry. The validity of the visa-on-arrival and the length of stay will vary depending on the nationality of the traveler.

It is important to note that the visa requirements for India can change at any time, so it is always best to check with the Indian embassy or consulate in your home country before you travel to confirm the latest requirements.