how to send bulk sms?
login into http://sms.neutralin.com/login.php
click the Log In | Sign Up Button
Enter Username: neutralin
Enter Password: neutralin
Click Push SMS link
then select Sender ID
select Message Type: Normal / Flash / Unicode
then Enter numbers one by one (Without 91):
Enter Message
then click Send Instant SMS
your sms will be sent and deliver within couple of seconds.