India, June 26 -- Four defence and aerospace electronics companies have attracted buying interest this week as investor attention has sharpened around India's expanding satellite surveillance and space-based reconnaissance programs. The Nifty India Defence index has surged 25 percent so far in 2026, against an 8 percent decline in the Nifty 50 over the same period, a divergence that has concentrated flows into names with credible exposure to the country's growing space infrastructure budget.

1. Data Patterns (India) Data Patterns supplies electronic warfare systems, radar subsystems, satellite payload components, and avionics across programmes including Tejas, BrahMos, and ISRO satellite systems. Debtors at 287 days remain the principal...