if for some reason all your ways to make a paymanet has failed, then follow the below procedure :

For Buyers outside India:

Make a payment to paypal sachinites@gmail.com for the requirement amount. Use your paypal account for this.
Email the screenshot of the successful payment to csepracticals@gmail.com. Also, let us know which product(s) you have purchased.

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For Indian Users (Inside India), Do Direct deposit to the following Bank account :

Accoutn Number : 166601001289 , IFSC Code : ICIC0001666

Account Name : SAGAR HUF

Email the screenshot of the successful payment to csepracticals@gmail.com. Also, let us know which product(s) you have purchased.