A Hindu can try to follow what Jesus said, but this doesn't save him.
Becoming a Christian isn't just a matter of acting a certain way or changing our behavior. WE are changed--WHO WE ARE--our very nature is transformed when we come to Jesus for salvation and believe in Him!
We, who were spiritually dead (because of the death that the first Adam brought into the world) ARE MADE ALIVE IN CHRIST! We are born again by the renewal of the Holy Spirit. At this point, we become a NEW CREATION IN CHRIST JESUS! We are transferred from the kingdom of darkness into the kingdom of Jesus Christ!
No mere "religion" can offer this transformation. Only Jesus Christ does this for ALL who come to Him for salvation!
Col 2:13-14--And when you were dead in trespasses and in the uncircumcision of your flesh, He made you alive with Him and forgave us all our trespasses. He erased the certificate of debt, with its obligations, that was against us and opposed to us, and has taken it out of the way by nailing it to the cross.
Titus 3:5--...he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal of the Holy Spirit,....
2 Cor 5:16-18--From now on, then, we do not know anyone in a purely human way. Even if we have known Christ in a purely human way, yet now we no longer know Him in this way. Therefore, if anyone is in Christ, he is a new creation; old things have passed away, and look, new things have come. Everything is from God, who reconciled us to Himself through Christ and gave us the ministry of reconciliation: