फरवरी 2021 में किन दो देशों के बीच संयुक्त सैन्य अभ्यास 'युद्धाभ्यास' का 16 वां संस्करण संपन्न हुआ-

Between which two countries the 16th edition of joint military exercise 'Yudh Abhyas' was concluded in February 2021-