Dear aspirant,
The pay scale for PSU jobs through GATE for the ECE branch differs from company to company. Following is the list of PSU companies and their pay scale for the ECE branch:

1) Hindustan Petroleum Corporation Limited (HPCL)
HPCL provides starting salary of 10.8 lakhs per year CTC.

2) Indian Oil Corporation Limited (IOCL)
IOCL provides starting salary of 10 Lakhs per year CTC.

3) Nuclear Power Corporation Of India Limited (NPCIL)
NPCIL provides starting salary of Rs. 35,000 per month.

4) NLC India Limited
NLC India Limited provides starting salary of 9.05 lakhs to 9.65 lakhs per year CTC.

Hope the above answer clarifies your query.