Defence Minister Rajnath Singh on Tuesday stressed that India and Germany could build a "more symbiotic" defence relationship based on shared goals and complementarity of strength and invited German investments in defence corridors in Uttar Pradesh and Tamil Nadu.

The two countries explored ways to co-develop key military platforms with German Defence Minister Boris Pistorius showing keen interest in New Delhi's mega plan to procure six stealth conventional submarines at a cost of around Rs 43,000 crore.