You can pay the application fees by one of the following methods.

1. Payment by Credit Cards (All credit cards issued by Master and Visa) or Payment by debit Cards (Debit cards issued by VISA of select banks, namely (ALLAHABAD BANK,ANDHRA BANK, AXIS BANK LIMITED, BANK OF BARODA, BANK OF INDIA, BANK OF MAHARASHTRA, BARCLAYS BANK PLC, CANARA BANK, CENTRAL BANK OF INDIA, CENTURION BANK OF PUNJAB LIMITED, CITY UNION BANK LTD, CORPORATION BANK, DENA BANK, DEUTSCHE BANK AG, DEVELOPMENT CREDIT BANK LTD., GE MONEY, HDFC BANK LIMITED, ICICI BANK LTD, IDBI BANK LTD., INDIAN OVERSEAS BANK, INDUSIND BANK LIMITED, ING VYSYA BANK_LIMITED, KARNATAKA BANK LIMITED, KOTAK MAHINDRA BANK LTD, ORIENTAL BANK OF COMMERCE, STANDARD CHARTERED BANK, STATE BANK OF INDIA, SYNDICATE BANK, TAMILNAD MERCANTILE BANK LIMITED, THE BANK OF RAJASTHAN LIMITED, THE CATHOLIC SYRIAN BANK LIMITED, THE COSMOS CO-OP BANK LIMITED, THE DHANALAKSHMI BANK LIMITED, THE FEDERAL BANK LTD, THE HONGKONG AND SHANGHAI BANKING CORPORATION LIMITED, THE KARUR VYSYA BANK LTD, THE LAKSHMI VILAS BANK LTD, THE SARASWAT CO-OPERATIVE BANK LTD, UCO BANK, UNION BANK OF INDIA, VIJAYA BANK.)

http://www.bitsadmission.com/bitsat/bitsatapply/brouchers/paymode.htm

2. Payment through Net Banking (Allahabad Bank, Axis Bank, Bank of Bahrain and Kuwait, Bank of Baroda, Bank of India, City Union Bank, Corporation Bank, DCB Bank, Deutsche Bank, Dhanlaxmi Bank, Federal Bank, ICICI Bank, IDBI Bank, Indian Bank, Indian Overseas Netbanking, J&K Bank, Karnataka Bank, Oriental Bank of Commerce, South Indian Bank, Standard Chartered Bank, State Bank of Hyderabad, State Bank of India, State Bank of Mysore, Tamilnad Mercantile Bank, Union Bank of India, United bank of India, Vijaya Bank, Yes Bank).
3. Payment by cash at all ICICI bank branches through Challan:

(Click Here to see the list of ICICI Branches.)
While Filling the BITSAT Application form online, choose the first Payment option, namely “Payment by cash at ICICI bank branches through Challan”. An online fee payment challan gets automatically generated. Take a printout of this challan & sign at the designated Places. Take this challan to any of the ICICI Bank branches and hand it over to the Bank Staff along with the amount specified on challan in cash. The bank staff shall note down a bank transaction no on the challan, sign and stamp at the three parts of the challan. The bank shall keep the “Bank copy” part of the challan for their records and return the two Applicant Copies to you. Keep both the applicant copies with you for records.

4. Payment through Demand Draft:
Demand Drafts should be drawn in favour of ‘Birla Institute of Technology & Science’ payable at
(i) State Bank of India, Pilani (Branch Code: 11309)
Or
(ii) UCO Bank, Vidya Vihar, Pilani (Branch Code: 0150)
Or
(iii) ICICI Bank, Pilani (Branch Code: 1538)

If the Demand Draft is payable at any other branch or bank, it will be rejected. Candidates should make sure that the Demand Draft is made out correctly. Especially, Check whether the DD has the Date of issue, signature of branch manager, Name and code of issuing bank, code and name of drawee bank, the amount in words and figures, the name of payee (i.e., Birla Institute of Technology & Science). Defective DDs will lead to rejection of the application.