I can help you with your questions, rohit3.  

I'm here to assist you with any concerns you have with QuickBooks Online. If you need to get in touch with our support, here are the steps to contact us depending on the options you see when you click the Help button:

1. Click Help in the upper-right corner and select Contact Us.
2. Enter the details of your concern and click Let's talk.
3. Select how you want to reach them and enter the necessary information to complete your request.

Here's another option you can follow: 

1. Click Help and enter Talk to a human.
2. Enter I still need a human and other options will appear.
3. Type those phrases repeatedly until you get this response: OK. Here’s a shortcut to connect with my humans.
4. Click the Contact us link and select how you want to reach them.
5. Enter the necessary details to complete your request.

You can click this here that will route you to our Help Articles page. It contains topics about advanced accounting, banking, and payments.  

You take care and have a great day!