Missile it doesn't have a wire guiding it. It can have any of seeker designed for it the information about seekers can be found in this link http://trishul-trident.blogspot.in/2014/03/indigenously-designed-rf-optronic.html
Amogha-1 was derivative of CLGM which is in turn a derivative of HELINA again which is in turn a derivative of NAG.
Made in India matters not the make in India.
Avinash Chander remarks regrading the development can be found in this link...
^^^^ Development was told many times by Avinash Chander. It was called man portable anti tank missile name Amogha-1 was announced for the first time. It was also the reason Javelin-NG Contract did not go through.