India is showing no intention of retiring its Su-30MKI fleet, which remains the backbone of the Indian Air Force. Instead, the aircraft is being prepared for an extensive modernisation effort designed to keep it combat-effective for decades to come.

The latest indication of that strategy emerged during the Indra 2026 military exercises in Russia's Chelyabinsk region, where Indian and Russian aircrew jointly operated the upgraded Su-30SM2 fighter. 

The drills focused on intercepting small, low-flying targets, engaging aircraft carrying air-launched weapons, and conducting manoeuvrable air combat at low and medium altitudes.

The exercise highlighted the growing relevance of the Su-30SM2, a significantly enhanced derivative of the aircraft family from which India's Su-30MKI originated. For New Delhi, the deployment offered a useful glimpse into technologies that could influence the future direction of the Super Sukhoi upgrade project.

At the centre of that effort is a comprehensive plan to transform India's large Su-30MKI inventory through improved propulsion, enhanced sensors, greater combat reach and more capable weaponry. The modernisation is intended to strengthen the aircraft's effectiveness in increasingly demanding operational environments.

Current discussions indicate that the first phase could involve 84 aircraft, while more than 200 additional fighters may eventually undergo similar enhancements. Hindustan Aeronautics Limited is expected to play a leading role in implementing the ambitious programme.

One of the most closely watched aspects of the project is the proposed engine upgrade. Estimates suggest the aircraft could receive a powerplant generating around 142 kilonewtons of thrust, a notable increase over the approximately 123 kilonewtons produced by the existing AL-31FP engines.

The additional thrust would not only improve acceleration and climb performance but could also enhance payload capacity, range and overall operational flexibility. Improved fuel efficiency and reduced maintenance requirements are also among the potential benefits being examined.

However, replacing the engine is far more complicated than simply installing a more powerful unit. Engineers must ensure compatibility with the aircraft's structure, flight-control systems, avionics, software architecture, power generation systems and maintenance infrastructure.

This is why specialists frequently describe such a modification as anything but "plug-and-play". Integrating a different engine requires substantial testing, certification work and system-level adjustments before it can enter operational service.

The Su-30SM2 itself incorporates a number of improvements over earlier variants. In Russian service, the aircraft has benefited from upgraded avionics, enhanced radar capabilities and a more advanced propulsion package, resulting in better performance and survivability.

The Super Sukhoi initiative is also expected to focus heavily on radar and mission systems. Industry discussions have long centred on the introduction of a modern Active Electronically Scanned Array radar, improved mission computers, upgraded cockpit displays and enhanced electronic warfare equipment.

Weapons integration represents another major objective. Future aircraft could be equipped with more capable air-to-air and stand-off precision weapons, significantly expanding their engagement envelope and battlefield effectiveness.

The program is also expected to increase the proportion of indigenous systems incorporated into the fleet. Indian-developed avionics, sensors, displays and mission equipment are widely viewed as essential components of the long-term upgrade roadmap.

This approach aligns with broader efforts to strengthen domestic aerospace capabilities while reducing long-term dependence on imported subsystems. It would also allow future upgrades to be implemented more efficiently throughout the aircraft's service life.

India's partnership with Russia remains important to the programme, particularly in areas involving the aircraft's original design architecture and flight-control systems. Even so, the planned upgrade is expected to contain a substantial Indian technological contribution.

The Su-30MKI has served as the Indian Air Force's principal air-superiority and multirole fighter for years, and the fleet continues to represent one of the country's most valuable military aviation assets. Extending its relevance is therefore a strategic priority.

The joint flights conducted during Indra 2026 were more than a routine training activity. They provided Indian personnel with direct exposure to an advanced member of the Sukhoi family while reinforcing operational cooperation between the two countries.

Whether viewed as a standard bilateral exercise or as a preview of a major fighter modernisation effort, the message is clear. India is not preparing to phase out the Su-30MKI. Instead, it is laying the groundwork for what could become one of the most significant combat aircraft upgrade projects in its history, combining greater thrust, improved radar performance, enhanced weapons capability, longer range and sharper overall combat effectiveness.

Agencies