$A$ transgenic crop that is resistant to hornworm larvae is

Gene expression can be controlled with the help of $RNA$. Explain the method with an example.

An improved variety of transgenic basmati rice:

Silencing of a gene could be achieved by the use of

Statement-$A$: At present,about $30$ recombinant therapeutics have been approved for human use the world over.
Statement-$B$: $27$ documented varieties of Basmati rice are grown in India.

What is the full form of $IARI$?