कृपया डाक टिकट चिपकाइए।

A simple breakdown is:

• कृपया = please
• डाक टिकट = postage stamp
• चिपकाइए = polite command meaning stick / attach / paste

So the structure is basically:

• please
  • postage stamp
    • attach it

Hindi often leaves out words like it when the object is already clear from context.

Yes, कृपया is a polite and somewhat formal way to say please.

It is very common in:

• written instructions
• notices
• announcements
• polite requests

In everyday speech, people often rely on the polite verb form itself and may skip कृपया. So चिपकाइए already sounds polite, and adding कृपया makes it even more courteous or instruction-like.

Yes, by itself टिकट usually means ticket in the sense of a train ticket, movie ticket, etc.

But डाक टिकट is a fixed compound:

• डाक = mail / post
• टिकट = ticket / label-like paper item

Together, डाक टिकट specifically means postage stamp.

So this is one of those expressions you should learn as a unit.

Hindi does not have articles like English a, an, and the.

That means a noun like डाक टिकट can mean:

• a postage stamp
• the postage stamp
• postage stamp(s)

The exact sense comes from context.

So English needs an article here, but Hindi does not.

Because डाक टिकट is the direct object of the verb, and Hindi often leaves direct objects unmarked, especially when they are inanimate.

A postage stamp is:

• inanimate
• the thing being attached

So को is not needed.

If the object were animate or especially specific in some contexts, को might appear, but with something like डाक टिकट, leaving it bare is the normal choice.

चिपकाइए is a polite imperative, used for:

• polite commands
• requests
• instructions

It is the kind of form you use with आप.

The dictionary form is चिपकाना, meaning to stick / attach / paste.

Some related command forms are:

• चिपकाइए = polite, for आप
• चिपकाओ = less formal, for तुम
• चिपका = very informal/intimate, for तू

So in this sentence, चिपकाइए shows politeness.

Because Hindi normally follows Subject-Object-Verb order.

In this sentence, the subject is not stated explicitly. It is understood as you.

So the structure is effectively:

• (you)
  • postage stamp
    • attach

That makes डाक टिकट चिपकाइए the natural word order.

English usually puts the verb earlier, but Hindi typically saves the main verb for the end.

चिपकाइए is perfectly correct and natural.

But in real life, Hindi speakers also very often say:

• डाक टिकट लगाइए।

Here, लगाइए means something like put/apply.

The difference is roughly:

• चिपकाइए emphasizes sticking/pasting
• लगाइए emphasizes putting/applying

For a stamp, both are natural, but लगाइए is especially common in everyday usage.

By itself, the form डाक टिकट does not clearly show singular vs. plural in the way English does.

In this sentence, it will usually be understood as singular:

• a postage stamp
• or the postage stamp

If the context were about several stamps, Hindi could still sometimes use the same form, with number understood from context.

So this is another place where Hindi depends more on context than English does.

It is politely worded and suitable for:

• instructions
• customer service
• formal requests
• written notices

The politeness comes from two things together:

• कृपया = please
• चिपकाइए = polite imperative

So the full sentence sounds respectful and appropriate in formal or neutral settings.