If by issues you mean C4 system, all imports already have those. Its part of the requirement,It's hilarious that all such issues only arise when it comes to indigenous systems whereas foreign systems face no such issue.
Abhi spyder induct karne ko bol dege to sab ek taang pe khade ho jayege.
S400 and Spyder have all the C4 system ready. Its was not an adaptation of some naval system when presented to indian services. The tender evaluation itself took close to a decade in the case of SPYDER. They were not different.
As i said, rona dhona on QRSAM is unwarranted.