You can give apple and banana purees. Continue breast feeding. Please avoid formula milk and also packaged food like cerelac. They are not as beneficial as home cooked fresh food. Give khichdi, mashed potato, sheera, upma, idli, fruits, mix green vegetables in dal rice.  Type baby food recipes 6 months india in google and you will get many options. Websites like Tarla dalal give many recipes. Start with 1 or 2 feeds a day and increase by 1 feed every month as per baby demands. Start with 1 katori and increase as per baby demand. The speed of increase should depend only on baby . There is no fixed formula.