No wonder. It is the limit of MG21's lifespan. Is there any alternative to them? Gripen may be a good choiceIndia's Mig-21s were introduced between 1964 and 1985. There may have been some piecemeal production of the Mig-21 after 1985, but would have been focused towards attrition replacements, but nearly 100% of what we operate today was introduced before 1985.