Who /Whom

1 Who are you going to? (कहां,)

To Whom:are you going?

2 Who are you looking at?( किस पर)

At Whom are you looking? 

3. Who are you written by (किसके द्वारा)

By whom are you written?

4. Who all are going? कौन कोन 

All whom are you all?

5. Who Are you going with? (किसके साथ)

With whom 'are you going?

6Who are you for (किसके लिए)

For whom are you

7. Who are you talking about,? (किसके बारे में)

About whom are you talking?

Who are you speaking against?

Against whom are you speaking?