Which countries can Indian nationality travel to?

I think you should be asking about the visa ~

Visa-free: Bhutan, Cook Islands, Dominica, Ecuador, Fiji Islands, Grenada, Guatemala, Haiti, Jamaica, Jordan, Maldives, Mauritius, Micronesia (Federated States of), Montserrat, Nepal, Samoa, Seychelles, Sri Lanka, Saint Kitts and Nevis, Saint Vincent and the Grenadines, Vanuatu, Hong Kong, China and Macau, China.

Visa on arrival: Azerbaijan, Bolivia, Burundi, Cambodia, Cape Verde, Comoros, Djibouti, Egypt, Ethiopia, Indonesia, Iran, Kenya, Kuwait, Madagascar, Mali, Niue, Oman, Palau, Thailand, Timor-Leste, Tonga, Turkey, Turks and Caicos Islands, Tuvalu and United Arab Emirates.