you must contact https://www.e-visaindiaonline.com/ to apply for e-Visa India. It is an online portal where you can apply for an e-Tourist visa, e-Business visa, and e-Medical via without any hassle.
But before applying for e-Visa services you must carefully read all the instructions and then apply for e-Visa https://www.e-visaindiaonline.com/instruction.html