Parents cannot claim maintenance. But wife can

Sources: https://www.livelaw.in/high-court/orissa-high-court/orissa-hc-senior-citizen-not-entitled-to-receive-maintenance-from-children-unless-shown-inability-to-maintain-himself-283924 https://www.thehindu.com/news/cities/Delhi/wife-cant-be-compelled-to-work-just-because-she-has-a-degree-delhi-hc/article67457964.ece