टीकाकरण ज़रूरी है।

A natural pronunciation is:

ṭīkākaraṇ zarūrī hai

A rough English-friendly guide:

• टी = tee
• का = kaa
• करण = kuh-rən / kər-un with a rolled or tapped r
• ज़रूरी = za-roo-ree
• है = hai, pronounced a bit like heh or hai depending on accent and speed

A smoother full pronunciation: tee-kaa-kə-rən zə-roo-ree hai

A few sound notes:

• ट / ṭ is a retroflex t, made with the tongue curled slightly back.
• ड़/र is not an English r; Hindi र is usually a light flap.
• ज़ is like the z in zoo.

Not exactly.

• टीका = vaccine or shot/injection
• टीकाकरण = vaccination or the process of vaccinating

So:

• टीका लगवाना = to get a vaccine shot
• टीकाकरण = vaccination as a general act, process, or policy

In this sentence, टीकाकरण ज़रूरी है means Vaccination is necessary/important, not just The vaccine is necessary.

Because this sentence is using ज़रूरी as a predicate adjective, not as an adjective directly before a noun.

The structure is:

[subject] + [description] + है

So:

• टीकाकरण = vaccination
• ज़रूरी = necessary
• है = is

Literally: Vaccination necessary is.

That is a very normal Hindi sentence pattern.

If you said ज़रूरी टीकाकरण, that would sound more like necessary vaccination, where ज़रूरी directly modifies the noun as part of a noun phrase, not as the main statement.

है is the present-tense form of होना (to be) for he/she/it/this/that and many general statements.

So in this sentence, है means is.

• टीकाकरण ज़रूरी है = Vaccination is necessary.

Hindi often needs है in simple present statements like this, especially in standard written language.

In casual speech, people sometimes drop it:

• टीकाकरण ज़रूरी
  But the full, standard sentence is:
• टीकाकरण ज़रूरी है।

Because Hindi usually does not use articles like English a/an/the.

So टीकाकरण ज़रूरी है can naturally mean:

• Vaccination is necessary
• The vaccination is necessary

The exact interpretation depends on context.

In a general statement like this, English usually translates it as:

• Vaccination is necessary.

Usually, ज़रूरी does not change form.

That is because ज़रूरी is an indeclinable adjective in normal usage. It stays the same with masculine, feminine, singular, or plural nouns.

Examples:

• काम ज़रूरी है = The work is necessary.
• दवा ज़रूरी है = The medicine is necessary.
• टीकाकरण ज़रूरी है = Vaccination is necessary.
• ये कदम ज़रूरी हैं = These steps are necessary.

Notice that ज़रूरी stays the same. What changes is the verb:

• है for singular
• हैं for plural

टीकाकरण is generally treated as masculine.

You can often tell from related forms:

• टीकाकरण हुआ = Vaccination happened / was done
  Here हुआ shows masculine agreement.

But in टीकाकरण ज़रूरी है, you do not really see gender clearly, because:

• ज़रूरी usually does not change
• है does not show gender

So gender matters more in other sentence types than in this one.

Good question. ज़रूरी is commonly spelled with ज़, which is ज plus a nukta dot underneath.

• ज = j
• ज़ = z

So:

• ज़रूरी is pronounced with a z sound

In modern Hindi writing, many borrowed words from Persian/Arabic/Urdu use letters like:

• क़
• ख़
• ग़
• ज़
• फ़

In everyday writing, some people may write जरूरी without the dot, but ज़रूरी is the more precise spelling.

Yes. Depending on context, ज़रूरी can mean:

• necessary
• important
• essential
• sometimes needed

So टीकाकरण ज़रूरी है could be translated as:

• Vaccination is necessary
• Vaccination is important

If the context is medical advice or public health, both are natural translations.

Yes, but it means something slightly different.

• टीका ज़रूरी है = The vaccine / a vaccine shot is necessary
• टीकाकरण ज़रूरी है = Vaccination is necessary

So:

• टीका focuses more on the actual shot or vaccine
• टीकाकरण focuses on vaccination as a process or practice

Both are grammatical, but they are not exactly the same.

Yes. A more formal word for ज़रूरी is आवश्यक.

So you could say:

• टीकाकरण आवश्यक है।

This means the same thing: Vaccination is necessary.

The difference is mainly register:

• ज़रूरी = very common, everyday Hindi
• आवश्यक = more formal, official, textbook-like

Both are correct.

Yes, absolutely. This is a very natural general statement.

It works well in contexts like:

• public health messages
• posters
• school materials
• medical advice
• awareness campaigns

Because टीकाकरण is a general noun here, the sentence means something broad and universal:

• Vaccination is necessary.

The main change would usually be in the verb, not in ज़रूरी.

For example:

• ये टीके ज़रूरी हैं। = These vaccines are necessary.
• सभी टीके ज़रूरी हैं। = All vaccines are necessary.

Notice:

• ज़रूरी stays the same
• है changes to हैं

So in your original sentence:

• टीकाकरण ज़रूरी है = singular idea / mass noun

If the subject becomes plural, the verb changes accordingly.