GAIL have taken multiple supports in the marked Trend Line.
RSI is around 36, which can be be considered as "Over Sold Zone".
Considering the support and the "Over Sold Zone", I am expecting the GAS would move High.
GAIL is also a fundamentally good Stock,
In Tickertape : 79% Analysts have suggested that investors can buy this stock
So considering the above points, you can hold for long term as well.