Complaint related to interior decorator

You can collect documentary evidences and initiate legal action as proposed by you either through consumer forum or even thorugh police

When it is determined to file a case,you  needs to estimate the monetary transaction limit. Based on the pecuniary limit, consumer Forum is categorized into a three-tier format.
•    District Consumer Disputes Redressal Forum (DCDRF):
Each district has a Forum consisting of 3 members each. When the amount is under 20 lakhs, DCDRF orders to file an appeal in SCDRC.
•    State Consumer Disputes Redressal Commission(SCDRC):
If the pecuniary value is between 20 lakhs to 1 crore, then an appeal is filed from the SCDRC order to NCDRC. This commission is established in every state.
•    National Consumer Disputes Redressal Commission(NCDRC):
This forum is situated in New Delhi and is considered the highest tier of the Redressal system. If the value of the claim exceeds 1 crore then the jurisdiction lies in hands of NCDRC. Also, an appeal from the NCDRC orderlies to the Supreme Court.
Procedure to File a Case in the Consumer Court
•    Intimation: The aggrieved party sends a notice to the service provider who sold the product. This notice informs about the intention of the customer to take action for receiving substandard or defective goods. It is an attempt for settlement between both parties without going to Forum.
•    Drafting of the complaint: If the seller or service provider is not ready to offer compensation, a formal complaint is lodged under Consumer Protection The process doesn’t necessarily need a lawyer and can be dealt with by the customer himself. The customer must mention the following details:
1.    Name, address, and descripttion of both parties.
2.    Cause of action, approximate date, time, and place.
3.    Relevant causes behind the action.
4.    The compensation or remedy claimed by the consumer.
5.    Signature of the complainant or authorized lawyer.
•    Attach required documents: 
Materialistic evidence and documents are required to support your complaint to produce in the court. They include-
1.    Copy of bill, delivery receipt, packaging, a record of online booking.
2.    Warranty/Guarantee cards.
3.    Copy of the written complaint and notice.
•    Appropriate Commission: The consumer needs to choose the proper forum to file the complaint according to pecuniary jurisdiction i.e. the total value of the product or service availed. Mention the compensation amount that is fixed.
•    Pay court fee: A certain amount of money is needed to be paid along with the complaint. The amount depends on the type of the forum, the value of the product bought and the compensation sought.
•    Submit Affidavit: While filing the case it is necessary to submit an affidavit in the court. It is proof that the facts described by the complainant are true to their knowledge.

The complaint can be made on plain paper and you can file it in person or through an authorised agent, after it has been notarised, through registered post or regular post. It is important that you serve a personal or legal notice to the opposite party before filing the complaint.
You will need to file four copies, plus additional copies for each opposite party. And the complaint must be filed within two years from the date of the cause of action having arisen. The court fee for cases involving up to Rs 1 lakh is nil for those holding Antyodaya Anna Yojana cards and Rs 100 for the rest. For cases involving up to Rs 5 lakh the case fee is Rs 200, for case up to Rs 10 lakh the court fee is Rs 400 and for those up to Rs 20 lakh the case fee is Rs 500. The demand draft should be made out to the President, Consumer Disputes Redressal Forum, (name of) district.