you will receive ITC only on goods held in stock by you on the date of transition on which you have already paid GST. you will not get ITC on all the purchases you made till now. For that you are required to intimate using Form GST CMP-03 and FORM ITC-03 to proper officer filling the details required.
[c] where any registered person ceases to pay tax under Section 10, he shall be entitled to take credit of input tax in respect of inputs held in stock, inputs contained in semi-finished or finished goods held in stock and on capital goods on the day immediately preceding the date from which he becomes liable to pay tax under Section 9: As per Rule 40 : File ITC 01 on portal within 30 days from the date you switch to normal scheme
sir if I switch to normal scheme from composition...one year mae jitna Maine purchasing krne par tax diya hai Kya wo poora tax amount mujhe as ITC mil jaega ya fir usmae kuch cut hoga