1. In Microsoft Word, Excel, and PowerPoint, the shortcut key to open a new document or window is Ctrl+N. Pressing this key will open a new document or window.

2. If you want to open a specific type of document, you can select a specific document type following the Ctrl+N key combination. For example, if you want to open a new Word document, you can select Word Document followed by the Ctrl+N key combination.

3. Here are some other shortcut keys that can be used to open a new document or window-

- Ctrl+O: Open an existing document

- Ctrl+S: Save the current document

- Ctrl+P: Print the current document

- Ctrl+X: Cut selected content

- Ctrl+C: Copy selected content

- Ctrl+V: Paste selected content

- Ctrl+Z: Cancel previous action

- Ctrl+Y: Redo the previous action

A. National census does not identify ethnic groups within India.

B. Here are examples of some specific groups identified by the national census.

1. Tribal Groups: Santhal, Gond, Adivasi, Bodo, Meena, Kushwaha

2. Religious Groups: Hindu, Muslim, Christian, Sikh, Buddhist, Jain, Parsi

3. Linguistic Groups: Hindi, Bengali, Marathi, Tamil, Telugu, Urdu, Gujarati, Kannada, Punjabi, Assamese