It looks confusing, after I checked with embassy, you could apply visa by the following:
e-Tourist Visa (eTV)
Apply to: the Indian Immigration Authorities
Apply Way: online
https://indianvisaonline.gov.in/visa/ Apply to: High Commission of India
Processing time: 6 working days.
visa application https://indianvisaonline.gov.in/visa/info1.jspYou need to submit the signed copy of the online visa application along with the necessary requisite documents, with our IVAC-BLS (at Level 14, Sim Lim Tower) and make the payment in cash for the visa fee. Attach the hard copy of the photograph along with the visa application.