For gate post, 13.5x13.5 Brick work with 4.5x4.5 rcc core is better or 6x6 Iron

              For gate post 13.5 x 13.5 brick pillar with rcc core including 2 nos 12 mm dia steel bars in rcc is the best option.

              Thanks

Sir,

Thank you for the reply.

Regards

- Surinder