I enjoy Purple Kush as an Indica but the strongest Indica I've ever smoked was an unknown strain grown by a friend of my fathers.
he was an expert grower,he was an immigrant(from the netherlands i think)and his parents were hemp farmers.who also grew the real stuff on the side to smoke.and that was still that indica strain he grew,the best most resiny weed i've ever seen.
That man's name was Joe Ankovic and he passed away very recently,god rest his soul,but damn I, nor anyone who ever smoked it,will ever forget that bud!