Set off of losses in short term cg in equity against long term cg without indexation

Yes, long-term capital gains (LTCG) on the sale of equity mutual funds without indexation can be set off against short-term capital losses (STCL) on the sale of equities within one year.

According to the Income Tax Act of India, short-term capital losses can be set off against both short-term capital gains and long-term capital gains, whereas long-term capital losses can be set off only against long-term capital gains

Yes. It is possible.

Can long term capital gain on sale of equity mutual fund without indexation be set off against long term capital loss with indexation , ie sale of debt mutual funds after being held for more than 3 years?