What are the visa & residency requirements in New Delhi?

"In order to visit New Delhi, visitors must obtain a visa prior to their arrival. The process of applying for a visa involves submitting an online application, providing a valid passport, and paying the applicable visa fee. Depending on the type of visa, additional documents may be required. In order to obtain residency in New Delhi, India, applicants must submit an application to the Indian government. The application must include proof of identity, proof of address, and proof of financial stability. Depending on the type of residency, additional documents may be required. Once the application is approved, the applicant will receive a residency permit," remarked another expat in New Delhi, India.