By which I mean a wedding. Try Chickpete area near KR Market. The entire area have got dozens of shops that offer you amazing quality clothing and most of them have a range of designs brochure from which you can select. They also stitch formals including your blazers but my preference on that changes.
Buy this shirt: https://nemoshirt.com/product/snoopy-im-going-to-let-god-fix-it-shirt/
Special Birthday T-shirt Ideas