Project 75I SSK: News & Discussion

[Rakesh]

https://x.com/VinodDX9/status/2031233627619750231?s=20 ---> The P-75I project took much longer & reportedly to take much bigger financial investment than the original anticipation. What if, instead of waiting for the P-75I, India continued Kalvari Class, with development of the P-76 parallely with investment in SSN with more numbers!

https://x.com/cvkrishnan/status/2031236 ... 20049?s=20 ---> Back in 2019/20 I mentioned why P-75I is too ambitious in its tech transfer and licensing mandate. Although we don’t know the full details, I’ve a feeling that the Indian Navy wants an unlimited license to make beyond the 6 boats with independence from the German shipyard in the future and potentially merge the P-76 as a P-75I MKI. @Parthu_Potluri what do you think?

https://x.com/Parthu_Potluri/status/199 ... 22095?s=20 ---> The ONLY way I would consider this expense justifiable is if this was somehow a precondition for getting an FTA on favourable terms with the EU. If not, then consider $14 billion and a decade-plus of time successfully wasted in the form of a sub that can neither deliver the high-end capability of an SSN, nor the low-end affordability of additional Scorpene/Kalvaris. Gold-plated diesel boats are just not for Navies that plan to obtain true hunter-killer SSNs, which is what the Project-77 is shaping up to be - and likely will be delivered at around the same time as the first TKMS/MDL P-75I. And God only knows what the supposed ToT would give us that wasn't already learnt from license-building Type 209s and then Scorpenes? Just a convenient way to inflate the overall cost of the program without actually delivering any new industrial capability. And that's while not even going over the absurdity of tying up with a country like Germany, which is well-known for its ideologically-driven, highly irrational foreign policy decisions that could see the program be throttled by sanctions at the drop of hat.

[basant]

I have 2 questions.

1. Is it true that DRDO built nuclear submarine faster than Indian Navy acquiring P-75I?

2. How is IN celebrating 30 years of P-75I project, scheduled for next year? Or is it already over?

[Rakesh]

https://x.com/Tej_Intel/status/2034623616567149044?s=20 ---> P75I contract signed.

https://x.com/prahaladag55586/status/20 ... 62082?s=20 ---> Any official post?

https://x.com/Tej_Intel/status/2034641643748610133?s=20 ---> Will come in a few days. This is sort of exclusive info.

[Rakesh]

^^^

India-Germany Advanced Submarine Deal Soon? What German Envoy Told NDTV
https://www.ndtv.com/india-news/india-g ... v-11255963
23 March 2026

In an interview with NDTV, Ackermann described the negotiations as far advanced and expressed strong optimism that the agreement with Thyssenkrupp Marine Systems (TKMS) would be finalised soon.

He said that the deal could be signed in the coming weeks. "Until things are signed, you have to be careful. But I would be hugely optimistic that in the weeks to come, we'll see a signature. I'd say that six to eight weeks," Ackermann told NDTV.

[uddu]

From Submarines To Free Trade: Defining The India-Germany Strategic Alliance

The German ambassador to India, Philipp Ackermann, said that a major defence contract for the supply of six advanced submarines to the Indian Navy is close to completion, with a signing expected within weeks.

[Rakesh]

...

Your above post belongs in this thread and not in the Naval Procurement thread.

There is a dedicated thread for the Project 75I submarine. It has been living on the forum for nearly 12 years.

[Rakesh]

https://x.com/Tej_Intel/status/2034623616567149044?s=20 ---> P75I contract signed.

https://x.com/prahaladag55586/status/20 ... 62082?s=20 ---> Any official post?

https://x.com/Tej_Intel/status/2034641643748610133?s=20 ---> Will come in a few days. This is sort of exclusive info.

https://x.com/Tej_Intel/status/2036359897076633613?s=20 ---> Contract between TKMS and MDL has been concluded. With the Govt, CNC (Cost Negotiation Committee) is going on. Govt will sign the contract with MDL (TKMS will not be involved). This mostly would go to the next fiscal year.

[bala]

I don't see confirmation of such news on other news channels.

India’s Mega Submarine Deal with Germany – Big Boost to Navy Power & China Deterrence

India has signed a massive submarine deal with Germany, marking a critical leap in its naval capabilities. This is not just a defense purchase—it’s a strategic move to strengthen India’s position in the Indian Ocean and counter emerging threats.

What makes this deal important?

• Advanced German submarine technology (AIP systems)
• Boost to India’s underwater warfare capabilities
• Strengthening deterrence against China’s expanding naval presence
• Push towards Atmanirbhar Bharat via technology transfer
• Long-term impact on Indian Ocean power balance

[uddu]

https://www.pib.gov.in/ShowAlbum.aspx?albumid=220778

Meanwhile Our Dhurandhar spying. One moment he is outside. Next moment, he is inside. He Brought home the latest Enigma machine.

[Manish_P]

...
Meanwhile Our Dhurandhar spying. One moment he is outside. Next moment, he is inside. He Brought home the latest Enigma machine.
...

Oberleutnant Hans is keeping a watchful eye on him

[bala]

India Signs $8B Deal For 6 German Submarines - What Berlin Refused Everyone For Decades

India, Germany $8B Submarine Pact. A significant deal for six next-gen submarines is nearing completion, marking a major shift in India's defence strategy. This agreement includes crucial military technology transfer, strengthening naval power and reshaping international relations. The move highlights evolving geopolitics in the region and new dynamics in the global arms trade.

[SRajesh]

^^^Rakesh
Another deal and another strategic co-operation and another Tech Transfer.
As far as Subs are concerned, I dont know who many tech we have received, German, Russian, French and now German again.
What i dont understand is what have learnt from all the tech tranasfer and what have we built on our own??
One thing that concerns me is that : do all these Specs and other manual are sent over in their local languanges and we struggle with translation.
The reason i ask because my father-in-law worked in Heli Division HAL, and all blueprints and manuals came in proper French!!
Imangine someone educated in Kannda and limited English trying to make out Laissez Faire!!
Or the Goras in the name of Tech Transfer actually take us to the cleaners with outdated techs!!

[SRajesh]

And FIL said that MiG were even more of a challenge with Russian per his friends

[Manish_P]

^ Sir, in this day and age, with handheld telephone and tablets and 5G internet, will translation be a problem...

But were the manuals really about the manufacturing tech or just about the product assembly?