Contraception
Birth control
There is no ban on birth control in Hinduism.
Some Hindu scriptures include advice on what a couple should do to promote conception - thus providing contraceptive advice to those who want it.
However, most Hindus accept that there is a duty to have a family during the householder stage of life, and so are unlikely to use contraception to avoid having children altogether.
Because India has such a high level of population, much of the discussion of birth control has focussed on the environmental issue of overpopulation rather than more personal ethics, and birth control is not a major ethical issue.