India's longest LPG pipeline is from Jamnagar to ______.

Loni

The correct answer is Option (4) → Loni

Jamnagar-Loni LPG Pipeline: This is the longest LPG pipeline in India. This pipeline is 1410 km long. It has been built by the Gas Authority of India Limited(GAIL) at a cost of Rs1250 Crore. It connects Jamnagar in Gujarat to Loni near Delhi in UP.