The government's stand seems to be that despite the possibility that there could be foreign entities which are spying on individuals in India, they are expecting individuals to file a complaint, rather that they themselves take the matter up suo moto.

https://youtube.com/embed/6CcgEeufY_w?start=862&end=1045   Omer Benjakob, Tech editor,Harretz,  in Israel says that these seems to happen after the visit of Indian PM to Israel in 2017, and  Israel PM's visit in 2018.

 How can a a firm like NSO, work in Israel. NSO is not alone.. there are many other companies who are doing this.. Israel 

https://youtube.com/embed/6CcgEeufY_w?start=1253&end=1396 

Extract from  Pegasus: Global Offensive, India Defensive? | Reality Check

A military weapon called Pegasus & what names of key targets in India tell us  

https://youtube.com/embed/0OWw8IEj9oQ?start=78&end=825 spearfishing technologies..  In the light of Pegasus having targeted politicians, journalists, and activists, Shekhar Gupta explains how such hacking is carried out and who is among those who have been targeted, in #CutTheClutter . 

CTC episode 307 on "How Israeli spyware invaded phones via WhatsApp, implications for citizens & Govt" here
https://youtu.be/rbOzrETLOxQ