If you can't accept Paypal in your country, the next best options are money bookers (now called skrill) and 2checkout
Paypal is the best and most secure . Every online business must have paypal payment while it just like a basic thing need in payment gateway and paypal have the largest user among other paymet gateway.
Paypal is just popular, that's all ! But, before giving him and payement process, what kind of poduct are you selling ? Book ? Softwares ? Digital media ? Accounts ? T-shirts ? hacked stuff ?