What is the offset clause in the defence procurement policy? How far has the offset clause been successful in enhancing the domestic capabilities of India in defence manufacturing? 10 marks

Mentor’s comment-

https://www.thehindu.com/opinion/lead/offset-dilution-in-defence-a-flawed-policy-turn/article32903639.ece
In the intro, briefly describe what is offset clause in defence procurement.
In the body mention, the objectives sought to be achieved through the offset clause in the procurement policy. In the next part, discuss how the policy benefited the aerospace industry and how the frequent changes in the policy created difficulty in achieving the objectives of the policy.
Conclude by mentioning the utility of the policy for increasing the capability of defence manufacturing industry in India.